RRB NTPC CBT-I Official Paper (Held On: 10 Feb 2021 Shift 1) (Previous Year Paper)

Given:

The first four prime numbers.

Concept used:

Prime numbers: Numbers whose factor is 1 and itself.

Note: 1 is not a prime number.

Calculation:

First, four prime numbers are :

2, 3, 5 and 7

Now, we get :

2 + 3 + 5 + 7

= 17

Thus, The sum of the first four prime numbers is 17.

Hence, the correct answer is option 1).

Family chart:

According to the statement, the family tree is shown below:

R is the brother of X.

Hence, 'option 2' is the correct answer.

Given:

On a map, 1 cm represents 9 km of actual distance.

Calculation:

According to the question,

1 cm represents 9 km,

So, 2 cm represents 2 × 9 = 18 km.

Thus, 2 cm will represent the actual distance of 18 km.

Hence, the correct answer is option1).

The correct answer is Vishnu Sharma.

Key PointsVishnu Sharma

• Indian scholar and author.
• His notable works include the Panchatantra collection of fables.

Panchatantra

• There are 84 stories and also many interpolated fables in it.
• The first book in the Panchatantra is Loss of Friends (Mitrabhed) and it contains 34 stories.
• Five Tantras were: Mitra Bhedha(Loss of Friends), Mitra Laabha(Gaining Friends), Suhrudbheda(Causing discord between Friends), Vigraha(Separation), and Sandhi(Union).

Additional InformationSkandagupta​

• Gupta emperor of India.
• He ascended the throne in the year 136 of the Gupta era.
• Bhitari pillar inscription suggests that he restored the Gupta power by defeating his enemies.
• He repulsed an invasion by the Indo-Hephthalites (Hunas in India), probably the Kidarites.

Vishnu Gupta 

• One of the lesser know kings of Gupta Dynasty.
• He was the son of Kumaragupta III and the grandson of Narasimhagupta.

The correct answer is Sikander Lodhi.

Key PointsSikander Lodhi

• He was a Pashtun Sultan of the Delhi Sultanate between 1489 and 1517.
• He expanded Lodi's rule into the regions of Gwalior and Bihar.
• He founded Agra in the year 1504.
• The last king of Agra was Sultan Ibrahim Lodhi(1517-1526).

Additional Information Alam Shah

• He was the fourth and last ruler of the Sayyid dynasty which ruled the Delhi Sultanate.
• An orthodox Sunni Muslim, spent his time reading the Quran.
• He also spread Islam in his Kindom.

Ibrahim Lodhi

• His father was Sikander Lodhi.
• He was the last sultan of the Delhi Sultanate.
• In 1526, first battle of Panipat, he was defeated and killed by the Mughal forces of Babur.

Bahlol Lodhi

• He was the chief of the Pashtun Lodi tribe.
• Founder of the Lodi dynasty from the Delhi Sultanate.
• Bahlul became sultan of the dynasty on 19 April 1451.

Given:

Quantity of mixed milk = 10 liters

Initially, the quantity of water in milk = 5%

So, the quantity of water (in liters) in the 10 liters of mixed milk is reduced to 2%.

Calculation:

Let x liters of pure milk be added to mixed milk to reduce the water contained to 2%.

5% of 10 = 2% of (10 + x)

⇒ 0.5 × 100 = 2(10 + x)

⇒ 50 = 20 + 2x

⇒ 2x = 30 

⇒ x = 15

∴ 15 liters of pure milk should be added to reduce it to 2%.

Hence, the correct answer is option 4).

The correct answer is Netherland.

Key PointsFlying-V airplane

• Its unique design places the passenger cabin, the cargo hold, and the fuel tanks in the wings.
• Experts hope that the plane's aerodynamic shape will cut fuel consumption by 20% compared to today's aircraft.
• Experts tested a 22.5 kg and 3-meter scale model, developed by researchers at the Delft University of Technology in the Netherlands and partner Dutch airline KLM.

Additional Information

• The most fuel-efficient airline was Norwegian Air Shuttle.
• A blended wing is often presented as the most efficient aircraft design.
• Flying-V aircraft will have a length of 55m, a wingspan of 65m, and a height of 17m.
• Capacity of Flying-V: to accommodate 314 passengers and hold 160m3 of cargo.

The correct answer is Standard Deviation.

Key PointsStandard Deviation

• It is square root of Variance of observations and square root is always positive.
• It is a measure of how dispersed the data is in relation to the mean.

Variance

• It is a measure of variability.
• Calculated by taking the average of squared deviations from the mean.
• The degree of spread in your data set.
• The more spread the data, the larger the variance is in relation to the mean.

Additional InformationSkewness

• It is a measure of the asymmetry of a distribution.
• A distribution is asymmetrical when its left and right side are not mirror images.
• A distribution can have positive, negative, zero skewness.

Mean

• It is the average of all the observations in data set.

Median

• It is the middle value of the given list of data, when arranged in an order.

Given:

The measure of an angle is three times the measure of its complement.

Concept used:

Complimentary angle : x + y = 90° 

Calculation:

Let x be the required angle, the other angle is 3x.

According to the question,

⇒ x + 3x = 90°

⇒ 4x = 90°

⇒ x = 22.5°

And the other angle measures

⇒ 3x = 3 × (22.5°) = 67.5°

∴ The Required angles are 22.5° and 67.5°.

Hence, the correct answer is option 3).

The correct answer is Fear of being out of cellular phone contact.

Key Points

• Psychological condition when people have a fear of being detached from mobile phone connectivity.
• It most likely stems from increased reliance on technology and concern over what might happen if you suddenly couldn't access needed information.
• This can lead to anxiety, depression and isolation, as well as physical problems such as headaches.

Additional Information

• A phobia is an anxiety disorder defined by a persistent and excessive fear of an object or situation.
• Phobias typically result in a rapid onset of fear and are usually present for more than six months.
• Some of the most common phobias are:
• ​Social Phobia: The Fear of Judgment or Rejection
• Arachnophobia: The Fear of Spiders
• Agoraphobia: The Fear of Open or Crowded Spaces
• Claustrophobia: The Fear of Tight Spaces
• Acrophobia: The Fear of Heights

Things such as socks, shoes, gloves comes in pair. So it would be correct to say a pair of socks, a pair of shoes, a pair of gloves.

These are two identical items that are used together.

But to say a pair of sweaters, it would be incorrect. So it is the odd one out.

Hence, 'option 4' is the correct answer.

Persons: K, L, M and N

1) They are all sitting around a rectangular table facing east, west, north and south.

2) K is sitting opposite to N, who is facing towards the west. L is facing north. L and N are not sitting opposite to each other.

According to the statement:.

M is facing South direction.

Hence, 'option 4' is the correct answer.

Given:

Radius > 1

Calculation:

Circumference of circle = 2πr  

For an integer, the value of r must be an integer multiple of  $\frac{1}{π}$

​Let r = $\frac{x}{π}$, where x is a positive integer. 

But r > 1   

​⇒ $\frac{π}{x}$ > 1

⇒ x > π

⇒ x > 3.14 

For minimum r, x must be minimum

Since the least integer greater than π is 4. 

∴ x = 4

Minimum value of r = $\frac{4}{π}$

Hence, The Required value of r is $\frac{4}{π}$.

The correct answer is Profession tax and stamp duty.

Key PointsProfession tax and stamp duty

• The Commercial Taxes Department is the nodal agency which collects the Profession Tax dues from professionals in the State.
• Profession Tax subject to a maximum of Rs.2500/- p.a. and a minimum slab of as low as Rs.110/- p.a.
• The tax payers fulfill their Income Tax obligations by 31st March.
• Professional Tax paid by individuals/organisations is 100% rebatable against Income Tax dues and there is no additional levy.

Additional InformationCustom Duty

• The tax imposed on goods when they are transported across international borders.
• The government uses this duty to raise its revenues, safeguard domestic industries, and regulate movement of goods.

Estate duty

• Form of tax which was levied on the total value of the property held by an individual calculated at the time of his / her demise.
• Payable time is when the deceased individual's property was passed on to the successors.

Excise duty

• Tax charged on goods produced within the country.
• It is a tax on the production or sale of a good.
• This tax is now known as the Central Value Added Tax (CENVAT).

Logic : Difference between numbers in the series is the square of natural numbers from 1 to 5

So the value of '?' is 57.

Hence, 'option 1' is the correct answer.

Given:

Boys : Girls = 5 : 7

There are 6 more girls than boys.

Calculation:

Let's say the total number of boys is 5x,

Then the total number of girls will be 7x,

According to the question,

⇒ 5x = 7x - 6

⇒ 2x = 6

⇒ x = $\frac{6}{2}$

⇒ x = 3

Number of boys = 5x

⇒ Number of boys = 5 × 3 = 15

Number of girls = 7x

⇒ Number of girls = 7 × 3 = 21 

Total number of students = 5x + 7x = 12x = 12 × (3) = 36

∴ Total number of students is 36.

Hence, the correct answer is option 2).

The correct answer is Neon.

Key Points​Neon

• Colorless, odorless, inert monatomic gas under standard conditions.
• It has about two-thirds the density of air.
• It is used in vacuum tubes, high-voltage indicators, lightning arresters, wavemeter tubes, television tubes, and helium–neon lasers.
• Liquefied neon is commercially used as a cryogenic refrigerant.

Additional InformationChlorine

• Yellow-green gas at room temperature.
• Used in industry and found in some household products.
• Sometimes, it can be in the form of a poisonous gas.

Hydrogen

• Colorless, odorless, tasteless, non-toxic, and highly combustible.
• Most abundant chemical substance in the universe, constituting approx. 75% of all normal matter.

Oxygen

• Highly reactive nonmetal, and an oxidizing agent.
• It readily forms oxides with most elements as well as with other compounds.

The correct answer is Stem.

Key Points

• The underground stem of the potato is edible part of the plant.
• The stem of potato is also called the tuber.
• Potatoes are rich in fibres, potassium, vitamin C, vitamin B6.

Additional Information Tuber

• They are the part of a plant that store nutrients and energy.
• They are plant structures that are large and act as storage containers so the plant can live during the winter months and during dry periods.
• There are two types of tubers. Stem tubers and Root tubers.

Given:

tan ($\frac{13\pi}{12}$ ) 

Calculation:

tan ($\frac{13\pi}{12}$ ) 

= tan (π + $\frac{\pi}{12}$ ) 

= - tan$\frac{π}{12}$

= - tan(15°)

= - tan(45° - 30°)

= - $\frac{tan45° - tan30°}{1 + tan45° × tan30°}$

= - $\frac{1 - \frac{1}{\sqrt3}}{1 + \frac{1}{\sqrt3}}$

= $\frac{\sqrt3 - 1}{\sqrt3+ 1}$

= $\frac{\sqrt3 - 1}{\sqrt3+ 1}$ ×  $\frac{\sqrt3 - 1}{\sqrt3- 1}$

= 2 - √3

Thus, the required value is 2 - $\sqrt3$.

Hence, the correct answer is option 3).

Given:

6 pipes fill a tank in = 1 h 20 min.

Formula:

P1 × T1 = P2 × T2  (P = number of pipes, T = time taken)

Calculation:

P1 = 6, T1 = 1$\frac{1}{3}$, P2 = 5 and T2 =?

⇒ 6 ×  1$\frac{1}{3}$ = 5 × T2

⇒ 6 × $\frac{4}{3}$ = 5 × T2

⇒ T2 = $\frac{8 }{ 5}$

⇒ T2 = 1.6 = 1 hour 36 minutes

Thus, Time required to fill the tank with 5 pipes is 1 hour 36 minutes.

Hence, the correct answer is option 2).

Given:

3a = 4b = 6c and $a + b + c = 27\sqrt{29}$

Calculation:

3a = 4b = 6c

⇒ a ∶ b ∶ c  

⇒ 4 × 6 ∶ 3 × 6 ∶ 3 × 4 

⇒ 4 ∶ 3 ∶ 2 

According to the question, 

a + b + c = 27$\sqrt{29}$

⇒ 4x + 3x + 2x = 27$\sqrt{29}$

⇒ 9x = 27$\sqrt{29}$

⇒ x = 3$\sqrt{29}$

We have to find, 

 $\sqrt {{a^2} + {b^2} + {c^2}}$

$⇒ \sqrt{{(4x)^2}{\rm{}} + {\rm{}}{(3x)^2}{\rm{}} + {\rm{}}{{\rm{(2x)}}^2}}$

⇒ $\sqrt{29x^2}$

⇒ x$\sqrt{29}$

⇒ 3 × $\sqrt{29}$ × $\sqrt{29}$ = 87 

∴ The correct answer is 87.

The correct answer is The solid form of CO2 is called dry ice.

Key PointsCarbon Dioxide

• Transparent to visible light but absorbs infrared radiation, as a greenhouse gas.
• Solid form of carbon dioxide is known as dry ice.
• Used as a refrigerant, in fire extinguishers, for inflating life rafts and life jackets, blasting coal, foaming rubber and plastics, promoting the growth of plants in greenhouses, immobilizing animals before slaughter, and in carbonated beverages.

Additional Information Dry Ice

• Colorless, odorless, and non-flammable, and can lower the pH of a solution when dissolved in water, forming carbonic acid.
• It sublimates directly from the solid state to the gas state.
• Ued for temporary refrigeration,  preserving frozen foods, blasting, etc.

The correct answer is San Francisco.

Key PointsGhadar Party

• An international political movement consisting of expatriate Indians to overthrow British rule in India.
• Found on 15 July 1913 in Astoria, Oregon, the United States of America.
• Ghadar headquarters and Hindustan Ghadar newspaper based in San Francisco, California.

Additional Information

• Party in the United States fractured into a Communist and an Indian Socialist faction.
• The party was formally dissolved in 1948.
• Ideologies of Party: Indian Independence and Nationalism.

The correct answer is Direct Access Storage Device.

Key PointsDASD

• Direct Access Storage Devices are fixed or removable storage devices.
• It is a type of secondary storage device that supports direct access to stored data.
• Access methods for DASD include sequential, partitioned, indexed, and direct.

Additional Information

• Direct access storage devices had been associated with mainframe computers and other types of servers.
• IBM is often credited with having coined the term DASD to refer to HDDs, magnetic drums and data cells.
• Now the term incorporates other device types including **SSDs, HDDs for personal computers and RAID storage systems.**​

Given:

Area = 81 cm²

Concept used:

Area of semicircle= πr²/2

Calculations:

Area of square = (side)²

⇒ Side = $\sqrt{81}$ = 9 cm

⇒ Now we find the length of the wire

⇒ Length of wire = 4 × side = 4 × 9 = 36 cm

⇒ Now we have to find the radius of a semicircle

⇒ Circumference of semicircle = πr + 2r = (π + 2)r = ($\frac{22}{7}$ + 2)r

⇒ 36 = ($\frac{22}{7}$ + 2)r

⇒ r = $\frac{36}{(\frac{22}{7}+ 2)}$

 ∴ r = 7 cm

Now, area of the semicircle = $\frac{πr²}{2}$

= $\frac{\frac{22}{7}×7 × 7 }{2}$

= 77 cm²

Hence, The area of the semicircle is 77 cm².

Given:

Rs. 1, 50 paise, and 25 paise coins are in the ratio of 3 : 4 : 5. The total money amounts to Rs.93.75.

Concept used:

Ratio and proportion

Calculation:

Let the coins be in the ratio 

3x : 4x : 5x

1 rupee = 1 rupee

50 paise = ($\frac{1}{2}$) rupee

25 paise = ($\frac{1}{4}$) rupee

As per the question,

⇒ 3x(1) + 4x($\frac{1}{2}$) + 5x($\frac{1}{4}$) = 93.75

⇒ 12x + 8x + 5x = 93.75 × 4

⇒ 25x = 375

⇒ x = 15

1 rupee coins = 3 × 15 = 45

50 paise coins = 4 × 15 = 60

25 paise coins = 5 × 14 = 75.

Hence, The number of coins of Rs.1, 50 paise, and 25 paise is 45, 60, and 75 respectively.

The correct answer is Sundar Pichai.

Key PointsSundar Pichai

• Indian-American business executive.
• He is the chief executive officer of Alphabet Inc. and its subsidiary Google.
• He was selected to become the CEO of Google on August 10, 2015.

Additional Information Indra Nooyi

• Indian-American business executive.
• Former chairperson and chief executive officer of PepsiCo.
• She has consistently ranked among the world's 100 most powerful women.

Ajay Banga

• Indian-American business executive.
• Currently Vice Chairman at General Atlantic.
• He was executive chairman of Mastercard.

Satya Nadella

• He has been the Chief Executive Officer of Microsoft Corporation since February 4, 2014.
• He joined Microsoft in 1992
• He served leadership roles in both enterprise and consumer businesses across Microsoft for over 22 years.

Given:

1.5x = 0.04y

Calculation:

According to the question,

1.5x = 0.04y

⇒ $\frac{x}{y} = \frac{0.04}{1.5}$

⇒ $\frac{x}{y}$ = $\frac{4}{150}$

Now, we have to find the value of:

($\frac{{y-x}}{{y+x}}$) 

On dividing both the numerator and denominator by y, we get:

= $\frac{1-\frac{x}{y}}{1 + \frac{x}{y}}$

= $\frac{1-\frac{4}{150}}{1+\frac{4}{150}}$

= $\frac{146}{154}$

= $\frac{73}{77}$

Hence, The Required value is $\frac{73}{77}$.

Meditate is the odd one out.

It is a practice that connects the mind and the body in order to get peace.

While other three terms - sleep, snore, dream are related to sleeping.

Hence, 'option 1' is the correct answer.

The positional values of the English alphabet is as follows:

The pattern followed here is:

So the value of '?' is 7I.

Hence, 'option 2' is the correct answer.

Given:

The numbers are in the ratio 3 : 4.

HCF of the numbers is 4.

Calculation:

Let the numbers be 3x and 4x

As the H.C.F. is the common factor so H.C.F. is x

So, H.C.F = x = 4

So the numbers are 12 and 16

L.C.M × H.C.F. = Product of two numbers

⇒ L.C.M = $\frac{Product}{H.C.F}$.

⇒ L.C.M = $\frac{(12 × 16) }{4}$

∴ The L.C.M is 48.

Hence, the correct answer is option 2).

The correct answer is Mahanadi.

Key Points

• The major Himalayan rivers are the Indus, Jhelum, Chenab, Beas, Ravi, Saraswati, Sutlej, Ganga, Yamuna, and Brahmaputra.
• All these rivers collectively cover an area of 2,250 km.
• The average width of these rivers is 200 km.

Additional Information

• The Himalayan mountain range or the Himalayas or Himalaya is a mountain range located in Asia, segregating the Tibetan Plateau from the Indian subcontinent.
• The Himalayan mountain range broadly includes the Hindu Kush, the Karakoram and other small mountain ranges that branch out from the Pamir Knot.
• The forests on the banks of the Himalayan Rivers include Deodar, Pine, Oak, Fir, Birch, and Rhododendron.

The correct answer is ​Mission Indradhanush -Employment for all.

Key PointsMission Indradhanush

• A health mission of the Government of India.
• It was launched by Union Health Minister J. P. Nadda on 25 December 2014.
• The main objective is to ensure full immunization with all available vaccines for children up to two years of age and pregnant women.
• The diseases come under this scheme are: polio, diphtheria, measles, whooping cough, hepatitis B, tetanus, meningitis, rubella, Japanese encephalitis and pneumonia.

Additional Information

• To boost this act: Intensified Mission Indradhanush 2.0
• IMI 2.0 aims to achieve targets of full immunization coverage in 272 districts in 27 States and in 652 blocks in Uttar Pradesh and Bihar among hard-to-reach and tribal populations.

Given:

Three wires of resistance of 3 ohms, 6 ohms, and 9 ohms are connected in a parallel combination.

Concept used:

When the resistances are connected in series, the equivalent resistance is given by

R1 + R2 + R3 +.........Rn = Req

The equivalent resistance is greater than the largest resistance in the series circuit

When the resistances are connected in parallel, the equivalent resistance is given by

1/R1 + 1/R2 + ........ + 1/Rn = 1/Req

The equivalent resistance is lesser than the smallest resistance in the parallel circuit.

Calculation:

R1 = 3 ohm, R2 = 6 ohm,  R3 = 9

$\frac{1}{3} + \frac{1}{6} + \frac{1}{9} = \frac{1}{Req}$

⇒ (6 + 3 + 2)Req = 18  

⇒ Req = $\frac{18}{11}$ Ω

Hence, The Total resistance of the circuit is $\frac{18}{11}$ Ω.

Given:

A completes the round in 252 seconds

B completes the round in 308 seconds

C completes the round in 198 seconds

Concept used:

Here we will use the concept of LCM

Calculation:

First find the factors

⇒ 252 = 22 × 32 × 71

⇒ 308 = 22 × 71 × 111

⇒ 198 = 21 × 32 × 111

LCM is,

⇒ 22 × 32 × 71 × 111

⇒ 2772 seconds

Convert into minutes

⇒ $\frac{2772}{60}$ = 46 minutes 12 seconds

∴ They will meet again in 46 minutes and 12 seconds.

Hence, the correct answer is option 3).

The correct answer is ​Earliest traces of human life on the Indian subcontinent.

Key PointsRock Shelters of Bhimbetka

• An archaeological site in central India that spans the Paleolithic, Mesolithic periods and historic period.
• It exhibits the earliest traces of human life in India
• It is the evidence of Stone Age starting at the site in Acheulian times.
• One of the oldest-known rock art in India and largest prehistoric complexes.

Additional Information

• Bhimbetka has around 243 rock shelters and have earned the honour of UNESCO World Heritage Site.
• Wakankar had discovered 700-odd rock shelters, spread over a 10-km area in Bhimbetka.
• Located in the Raisen District in the Indian state of Madhya Pradesh about 45 kilometres south-east of Bhopal.
• It also contain fossils from the Precambrian, hundreds of millions of years before the human era, including the enigmatic basal animal Dickinsonia.

The correct answer is Canadian Open.

Key PointsGrand Slam tournaments of tennis

• The achievement of winning all four major championships in one discipline in the same calendar year.
• Four major championships: the championships of Australia, France, Britain (Wimbledon), and the United States.
• The tournaments are overseen by the International Tennis Federation (ITF).
• The Grand Slam is important in terms of world ranking points, tradition, prize-money awarded, and public attention.

Additional Information

• The four Grand Slam tournaments (with each played over two weeks) are the
• Australian Open in January,
• French Open from late May to early June,
• Wimbledon in late June to early July, and
• US Open in August–September
• The Australian and the United States tournaments are played on hard courts, the French on clay, and **Wimbledon on grass.**​​

Paracetamol is the odd one out.

As it is a medicine used to treat fever.

While other three terms - Diabetes, Tuberculosis, Malaria are the diseases.

Hence, 'option 4' is the correct answer.

Judges: A, B, C, D, E, F, and G

Step 1) They are sitting in a row of seven seats on the jury panel.

Step 2) E is sitting on the last seat from the left of the row. 

Step 3) D is sitting to the immediate right of B and to the immediate left of F. 

Step 4) C is sitting to the immediate left of A and is sitting to the right of G and to the left of D.

D is sitting on the fifth position from the left.

Hence, 'option 3' is the correct answer.

Given:

Book read by Boy in one day = $\frac{3}{8}$ of total

$\frac{4}{5}$ of the rest part was read in next day

Pages left to read = 30

Calculations:

After reading $\frac{3}{8}$ of the book,

The remaining fraction 1 - $\frac{3}{8}$ = $\frac{5}{8}$

The boy then reads $\frac{4}{5}$ of $\frac{5}{8}$ = $\frac{4}{5}$ x $\frac{5}{8}$ = $\frac{1}{2}$

Total fraction read = $\frac{3}{8}$ + $\frac{1}{2}$ = $\frac{7}{8}$

The unread fraction = 1 - $\frac{7}{8}$ = $\frac{1}{8}$

This is equivalent to 30 pages (Given)

∴ The book has $\frac{30}{(\frac{1}{8})}\$ = 240 pages.

Hence, the correct answer is option 3).

The correct answer is ​GST cannot be collected by the state government.

Key PointsGoods and Services Tax(GST)

• Indirect tax used in India on the supply of goods and services.
• comprehensive, multistage, destination-based tax.
• Goods and services are divided into five different tax slabs for collection of tax: 0%, 5%, 12%, 18% and 28%.
• The tax came into effect from 1 July 2017.

Additional Information

• Petroleum products, alcoholic drinks, and electricity are not taxed under GST and instead are taxed separately by the individual state governments.
• With the implementation of the One Hundred and First Amendment of the Constitution of India by the Indian government.
• The GST replaced existing multiple taxes levied by the central and state governments.

The correct answer is Muhammad Bin Tughlaq.

Key PointsMuhammad Bin Tughlaq

• He was the eighteenth sultan of the Delhi Sultanate.
• Founder of the Tughlaq dynasty.
• He imposed heavy tax in the land between the Ganga and the Yamuna rivers in his reign.
• In 1327, he ordered to move his capital from Delhi to Daulatabad (Devagiri in Maharashtra) in the Deccan region of India.

Additional Information Firoz Shah Tughlaq

• Ruler from the Tughlaq dynasty, reigned over the Sultanate of Delhi from 1351 to 1388.
• He repaired the Qutub Minar which had been damaged by an earthquake.
• He had around 180,000 slaves to get support in ruling over Delhi.

Muhammad Ghouri

• Sultan of the Ghurid Empire from 1173 to 1206.
• He is credited with laying the foundation of Muslim rule in the Indian subcontinent.

Allauddin Khalji

• Emperor of the Khalji dynasty that ruled the Delhi Sultanate in the Indian subcontinent.
• He fended off several Mongol invasions of India.

As all sisters are siblings and both sisters and siblings are a part of family.

Therefore, it can be best shown as:

Hence, 'option 4' is the correct answer.

The correct answer is ​Kedarnath – Gujarat.

Key Points

• Kedarnath is a town in Rudraprayag district in the state of  in India.
• It has gained importance because of the Kedarnath Temple.

Additional Information

• Buland Darwaza is the main entrance to the Jama Masjid at Fatehpur Sikri, which is 43 km from Agra, India.
• Elephant Caves or Elephanta Island, or Gharapuri, in Mumbai Harbour, 10 kilometres east of Mumbai in the Indian state of Maharashtra.
• Khajuraho Group of Monuments are a group of Hindu and Jain temples in Chhatarpur district, Madhya Pradesh.

The correct answer is He cannot declare national emergency.

Key Points

• The president is the Supreme Commander of the Indian Armed Forces.
• The president can declare war or conclude peace, on the advice of the Union Council of Ministers headed by the prime minister.
• All important treaties and contracts are made in the president's name.

Additional Information Duties of President

• The primary duty is to preserve, protect and defend the constitution and the law of India
• The president is the common head of all independent constitutional entities.
• All their actions, recommendations (Article 3, Article 111, Article 274, etc.) and supervisory powers (Article 74(2), Article 78C, Article 108, Article 111, etc.) over the executive and legislative entities of India shall be used in accordance to uphold the constitution.
• There is no bar on the actions of the president to contest in the court of law.

Given:

288 × N is a perfect cube.

Calculation:

288 = 2 × 2 × 2 × 2 × 2 × 3 × 3

To make it a perfect cube it must be multiplied by 2 × 3.

 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 = 288 × 6

∴ The value of N is 6.

Hence, the correct answer is option 4).

The correct answer is Dr. S Radhakrishnan.

Key PointsDr. S Radhakrishnan

• 2nd President of India from 1962 to 1967
• 1st Vice President of India from 1952 to 1962.
• 2nd Ambassador of India to Soviet Union from 1949 to 1952
• 4th Vice-Chancellor of Banaras Hindu University from 1939 to 1948

Additional InformationShri M Hidayatullah

• 11th Chief Justice of India from 25 February 1968 to 16 December 1970.
• 6th vice president of India from 31 August 1979 to 30 August 1984.
• acting president of India from 20 July 1969 to 24 August 1969 and from 6 October 1982 to 31 October 1982 and from 25 July 1983 to 25 July 1983.

Dr. Zakir Husain

• 3rd president of India from 13 May 1967 to 3 May 1969.
• Governor of Bihar from 1957 to 1962.
• 2nd vice president of India from 1962 to 1967.

Shri VV Giri

• 4th president of India from 24 August 1969 to 24 August 1974
• 3rd vice president of India from 13 May 1967 to 3 May 1969.
• 1st president to be elected as an independent candidate.

The correct answer is UNO.

Key PointsUNO

• The United Nations is an intergovernmental organization whose stated purposes are
• maintain international peace and security,
• develop friendly relations among nations,
• achieve international cooperation, and
• be a centre for harmonizing the actions of nations.
• It has six main organs:
• the General Assembly,
• the Security Council,
• the Economic and Social Council,
• the Trusteeship Council,
• the Secretariat are based at UN Headquarters in New York and
• the International Court of Justice, is located at The Hague in the Netherlands.

Additional Information

• The North Atlantic Treaty Organization(NATO) is an intergovernmental military alliance between 30 member states(28 European and two North American).
• The World Health Organization(WHO) is a specialized agency of the United Nations responsible for international public health.
• The World Trade Organization(WTO) is an intergovernmental organization that regulates and facilitates international trade.

Given:

Perimeter of the square = 44 cm

Perimeter of square = Circumference of the circle

Formula used:

Circumference of the circle = 2πr

Area of the circle = πr2 

Perimeter of square = 4 × side

Area of square = (side)²

Calculation:

Side of square = $\frac{44}{4}$ = 11 cm

As, Perimeter of square = Circumference of the circle

⇒ 44 = 2πr 

⇒ r = 7 cm

Area of the circle = πr2 

⇒ Area of the circle = ($\frac{22}{7}$) × 72 = 154 cm²

And, Area of square = 11² = 121 cm²

Now, 154 > 121 

⇒ Area of Circle > Area of Square

Difference in area

= Area of Circle - Area of Square

= 154 - 121

= 33 cm²

∴ Area of the circle is larger by 33 cm².

Hence, the correct answer is option 1).

The correct answer is The main cause of ozone depletion and the ozone hole is chlorofluorocarbons (CFCs).

Key Points

• Main Causes of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons).
• Ozone Depletion result in serious health issues among humans, such as skin diseases, cancer, sunburns, cataract, quick ageing and weak immune system.
• When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules.

Additional Information

• The Antarctic ozone hole is expected to close by the 2060s, while other regions will return to pre-1980s values even earlier.
• In 2019, NASA reported that the ozone hole was the smallest ever since it was first discovered in 1982.

Given:

Idlies are made with two parts rice and one part urad dal.

i.e., Rice and urad dal are in the ratio 2 : 1.

Formula used:

Percentage = Fractional part × 100

Calculation:

According to the question,

Rice : Urad dal = 2 : 1

Fractional part of Rice in the mixture = $\frac{2}{2 +1}$ = $\frac{2}{3}$

Percentage of rice in the mixture = $\frac{2}{3}$ × 100 = 66$\frac{2}{3}$%

Fractional part of urad dal in mixture = $\frac{1}{3}$

Percentage of urad dal in mixture = $\frac{1}{3}$ × 100 = 33$\frac{1}{3}$%

Thus, The percentage of rice and urad dal in the mixture is 66$\frac{2}{3}$% and 33$\frac{1}{3}$% respectively.

Hence, the correct answer is option 4).

The correct answer is 1919-1920.

Key PointsLivestock Census in India

• The Livestock Census covers all domesticated animals and its headcounts.
• 19 censuses have been conducted in participation with State Governments and UT Administrations.
• The 20th Livestock Census was conducted in participation with all States and Union Territories.

Additional Information

• Rajasthan has the highest number of Sheep in India.
• Brazil has the largest cattle inventory in the world followed by India and China.
• West Bengal had the highest cattle population across India, at about 19 million in 2019.

BODMAS Rule:

Lets check each option:

1) ×, ÷ and -

After replacing A with mathematical signs, we get:

⇒ 150 × 50 ÷ 15 - 25 

⇒ 150 × 3.33 - 25

⇒ 499.5 - 25

⇒ 474.5 ≠ 20 

2) ×, + and -

After replacing A with mathematical signs, we get:

⇒ 150 × 50 + 15 - 25

⇒ 7500 + 15 - 25

⇒ 7515 - 25

⇒ 7490 ≠ 20 

3) ÷, × and -

After replacing A with mathematical signs, we get:

⇒ 150 ÷ 50 × 15 - 25 

⇒ 3 × 15 - 25 

⇒ 45 - 25

⇒ 20 = 20

4. -, × and ÷

After replacing A with mathematical signs, we get:

⇒ 150 - 50  × 15 ÷ 25 

⇒ 150 - 50 × 0.6

⇒ 150 - 30

⇒ 120 ≠ 20 

Hence, 'option 3' is the correct answer.

The correct answer is ​In internet terminology, IP means Internet Practice.

Key Points

• In Internet Terminology, IP means Internet Protocol.
• The Internet Protocol (IP) is a set of requirements for addressing and routing data on the Internet.
• IP can be used with several transport protocols, including TCP and UDP.

Additional Information

• Transmission Control Protocol (TCP) is a transport protocol dictates the way data is sent and received.
• A TCP header is included in the data portion of each packet that uses TCP/IP.
• User Datagram Protocol(UDP) is widely used transport protocol.
• UDP is faster than TCP, but it is also less reliable.

Given: 

Anita walks $\frac{5}{6}$ of the usual speed

Anita reaches the bus terminus late by 2 minutes.

Formula Used:

Distance = Speed × Time

Concept used:

If the distance is the same then the ratio of time is the reverse of the ratio of speed. 

Calculation:

Usual Speed ∶ Change speed

⇒ 1 ∶ $\frac{5}{6}$

⇒ 6 ∶ 5

If the distance is the same then the ratio of time is the reverse of the ratio of speed. 

Usual time ∶ Change time

⇒ 5 ∶ 6

⇒ 1 unit of time (6 - 5) = 2 minutes

⇒ 5 units = 2 × 5 = 10 minutes

∴ The usual time taken by her to reach the bus terminus is 10 minutes.

Hence, The usual time taken by Anita is 10 minutes.

The correct answer is Appointment of Attorney General.

Key Points

• The Attorney General of India is appointed by the President of the country, as per Article 76.
• The person must be qualified for the post of a Supreme Court Judge to get eligible for this post.
• This is provided under Article 76 of the Indian Constitution.
• The qualifications required for a Supreme Court Judge are given in Article 124 of the Indian Constitution.
• According to Article 76 of the Indian Constitution, Attorney General of India is the highest law officer in the country and a Union Executive member.
• The Attorney General of India will hold office during the pleasure of the President, according to Article 76.
• The duration to hold the office by Attorney General is not given in the constitution and also there is no any procedure for the removal of office in the constitution.

Additional Information

• The Attorney General for India is the Indian government's chief legal advisor, and is its principal Advocate before the Supreme Court of India.
• The attorney general is necessary for advising the Government of India on legal matters referred to them.
• The 15th and current Attorney General is K. K. Venugopal. He was reappointed by President Ram Nath Kovind in 2020.
• Senior advocate R Venkataramani was appointed as India's 16th Attorney General (AG) on 28 September 2022.

The correct answer is The Radcliffe line is the boundary between India and China.

Key Points

• ​The Radcliffe Line was the boundary demarcated between the Indian and Pakistani portions of the Punjab Province and the Bengal Presidency of British India.
• It was named after its architect, Cyril Radcliffe, who, as the joint chairman of the two boundary commissions for the two provinces, received the responsibility to equitably divide 175,000 square miles of territory with 88 million people.
• The demarcation line was published on 17 August 1947 upon the Partition of British India.
• Today, its western side is part of the India–Pakistan border while its eastern side serves as the Bangladesh–India border.
• The Radcliffe line is spread through the Rann of Kutch in Gujarat to the international border in Jammu in Jammu & Kashmir, dividing India and Pakistan into two different countries.

Additional Information

• McMahon Line is the boundary between India and China.
• In Jammu and Kashmir, four districts – Pulwama, Budgam, Srinagar, and Kishtwar grow saffron.
• V Kurien was given the title 'The Milkman of India' because he created milk powder using buffalo milk when the world was still using milk. Hence he is called the "Father of the White Revolution in India".
• Madhya Pradesh is the leading producer of copper in India. It accounts for producing 53% of copper in this country.

Given:

Total cost price of two flower pots = ₹120

Loss = 10%

Concept used:

Selling price = Cost price - Loss

Calculations:

According to the question,

Loss = 10% of CP

= 0.10 × 120

= ₹12

Now, the Selling price

= Cost price - Loss 

= 120 - 12

= ₹108

∴ The Selling price of two flower pots is **₹**108.

Hence, the correct answer is option 4).

The correct answer is Andes mountains – Argentina and Brazil.

Key Points

• The Andes mountains extend from north to south through seven South American countries i.e Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
• They are the longest continental mountain range in world.
• The range is 8,900 km long, 200 to 700 km wide, and has an average height of about 4,000 m.
• It is also the highest mountain range outside Asia.
• The Andes are also part of the American Cordillera, a chain of mountain ranges (cordillera) it consists of an almost continuous sequence of mountain ranges that forms the western backbone of North America, Central America, South America, and Antarctica.

Additional Information

• The Sutlej River is the longest of the five rivers that flow through the region of Punjab in northern India and Pakistan.
• The Nile is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea.
• Niagara Falls is a group of three waterfalls spanning the border between the province of Ontario in Canada and the state of New York in the United States.

The correct answer is 1982.

Key Points

• The National Bank for Agriculture and Rural Development (NABARD) was established in 1982.
• National Bank for Agriculture and Rural Development (NABARD) is an apex regulatory body for the overall regulation of regional rural banks and apex cooperative banks in India.
• It is under the jurisdiction of the Ministry of Finance, Government of India.
• The bank has been entrusted with "matters concerning policy, planning, and operations in the field of credit for agriculture and other economic activities in rural areas in India".
• NABARD is active in developing and implementing financial inclusion.

Additional Information

• NABARD operates at 32 Regional Offices in the country.
• NABARD conducted statutory inspections of 338 banks with reference to financial position as on 31 March 2019.
• These included 32 StCBs, 253 DCCBs and 45 RRBs.
• Reserve Bank of India divests its share in NABARD and NHB.
• With this, the Government of India now holds 100% stake in both the financial institutions.

The correct answer is Assam.

Key Points

• Orang Tiger reserve is a national park located on the Northern Bank of the Bramhaputra River in Assam.
• In Darrang and Sonitpur districts of Assam.
• Covers an area of 79.28km² (30.61 sq. mi).
• Established as a sanctuary in the year 1985 and declared a national park on 13th of April 1999.
• It is the only stronghold of the Rhinoceros on the north bank of the Bramhaputra river with rich flaura and fauna.

Additional Information

• Assam is a state in northeastern India known for its wildlife, archeological sites and tea plantations.
• The 15th Chief Minister of Assam is Sri Himanta Biswa Sarma.
• The 30th Governor of Assam is Prof Jagdish Mukhi and he assumed his office on 10th October 2017.
• Dispur is the capital of Assam.

The correct answer is Dvarasamudra.

Key Points

• The capital of Hoyasala’s Kingdom is Dvarasamudra.
• Hoysalas ruled in India from about 1006 to about 1346 ce in the southern Deccan and for a time in the Kaveri River valley.
• The capital of the Hoysalas was initially situated at Belur but was then moved to Halebidu, which is also known as Dwarasamudra.
• By the 13^th century, they governed most of present-day Karnataka, parts of Tamil Nadu and parts of western Andhra Pradesh in Deccan India.
• The Hoysala rulers were originally from Malenadu, an elevated region in the Western Ghats.
• The Hoysala era was an important period in the development of art, architecture, and religion in South India.

Additional Information

• Mysore, a city in India's southwestern Karnataka state, was the capital of the Kingdom of Mysore from 1399 to 1947.
• Devagiri city is located in Aurangabad district, Maharashtra. It was the capital city of the Yadava dynasty.
• Kalyani is a city and a municipality and Community Development Block of Nadia district in the Indian state of West Bengal.

The correct answer is Amnesty International – New York, USA.

Key Points

• Amnesty International is an international non-governmental organization focused on human rights, with its headquarters in the United Kingdom.
• The organization says it has more than ten million members and supporters around the world.
• This stated mission of the organization is to campaign for 'a world in which every person enjoys all of the human rights enshrined in the Universal Declaration of Human Rights and other international human rights instruments.'
• Amnesty International was founded in London in 1961, following the publication of the article "The Forgotten Prisoners" in The Observer on 28 May 1961, by the lawyer Peter Benenson.
• Amnesty considers capital punishment to be "the ultimate, irreversible denial of human rights."
• The organization was awarded the 1977 Nobel Peace Prize for its "defense of human dignity against torture," and the United Nations Prize in the Field of Human Rights in 1978.

Additional Information

• The Organization of the Petroleum Exporting Countries(OPEC) is an intergovernmental organization of 13 countries headquartered in Austria,Vienna.
• The International Monetary Fund (IMF) works to achieve sustainable growth and prosperity for all of its 190 member countries. It is headquartered in Washington, DC.
• **The World Health Organization(**WHO) is a specialized agency of the United Nations responsible for international public health. It is headquartered in Geneva, Switzerland.

The correct answer is It compresses large files into a smaller file.

Key Points

• WinZip is a Windows program that lets you archive and compress files so that you can store or distribute them more efficiently.
• WinZip is a more capable and easier-to-use Windows equivalent of two earlier programs commonly used in the DOS operating system.
• WinZip has a simple drag-and-drop interface that allows you to view individual files in a zip file without unzipping the file.
• WinZip will also launch installation programs from a zip file and automatically clean up after the installation.
• When creating a zip file (or archive), you can choose from five levels of compression.

Additional Information 

• To expands smaller files into a large file - Open that folder, then select File, New, Compressed (zipped) folder. Type a name for the compressed folder and press enter
• Antivirus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware.
• To extract smaller file from larger file - Go to the folder which contains the file or subfolder you want to compress. Note that the file you are about to compress must not be open in any program. Right-click the file or folder. Select Send to, and then in the next submenu, select Compressed (zipped) folder.

Given:

10% of m = 20% of n

Concept used:

x% = $\frac{x}{100}$

Calculation:

According to the question,

10% of m = 20% of n

⇒ 0.1 of m = 0.2 of n

⇒ 0.1m = 0.2n

⇒ m : n = 2 : 1

Hence, the correct answer is option 4).

The correct answer is Mahatma Gandhi.

Key Points

• Mahatma Gandhi has never won the Nobel prize.
• Mohandas Gandhi has become the strongest symbol of non-violence in the 20th century.
• It is widely held in retrospect that the Indian national leader should have been the very man to be selected for the Nobel Peace Prize.
• He was nominated several times, but was never awarded the prize.
• Gandhiji was nominated in 1937, 1938, 1939, 1947, and, the last time in 1948, a few days before his assassination.
• The Nobel Committee had even expressed regret over not giving him the award.

Additional Information

• Poet Rabindranath Tagore won the Nobel Prize for Literature in 1913 for his collection Gitanjali published in London in 1912.
• Amartya Sen, Indian economist who was awarded the 1998 Nobel Prize in Economic Sciences for his contributions to welfare economics and social choice theory and for his interest in the problems of society's poorest members.
• Children's rights activist Kailash Satyarthi was awarded the Nobel Peace Prize for “focusing attention on the grave exploitation of children for financial gain

Statements:

All pendent is jewellery.

No jewellery is silver.

Some silver is coin.

Possible Venn diagram:

Conclusions:

1. Some silver are jewellery → False (Since no jewellery is silver)
2. Some coin is pendent → False (Since all pendent is jewellery and there is no relation between coin and pendent.)
3. Some jewellery are pendent → True (Since all pendent is jewellery)

Hence, 'option 2' is the correct answer.

Given:

(2a3 - 3)(5a3 - 2) 

Calculation:

(2a3 - 3)(5a3 - 2) 

= 2a3(5a3 - 2) - 3(5a3 - 2)

= 10a6 - 4a³ - 15a³ + 6

= 10a6 - 19a3 + 6

Thus, - 19a³ is the required value.

Hence, the correct answer is option 4).

The correct answer is Cholera – Influenza.

Key Points

• Cholera is an acute diarrheal illness caused by infection of the intestine with Vibrio cholerae bacteria.
• People can get sick when they swallow food or water contaminated with cholera bacteria.
• The infection is often mild or without symptoms, but can sometimes be severe and life-threatening.
• People with severe cholera can develop severe dehydration, which can lead to kidney failure.
• If left untreated, severe dehydration can lead to shock, coma, and death within hours.
• To prevent the bacteria from spreading, all feces (human waste) from sick persons should be thrown away carefully to ensure it does not contaminate anything nearby.

Additional Information

• Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.
• HIV causes AIDS and interferes with the body's ability to fight infections.The virus can be transmitted through contact with infected blood, semen or vaginal fluids.
• Malaria is caused by a single-celled parasite of the genus plasmodium. The parasite is transmitted to humans most commonly through mosquito bites.

The correct answer is Kudankulam Nuclear Power Plant.

Key Points

• Kudankulam Nuclear Power Plant is the largest nuclear power station in India, situated in Kudankulam in the Tirunelveli district of the southern Indian state of Tamil Nadu.
• Construction on the plant began on 31 March 2002, but faced several delays due to opposition from local fishermen.
• Kudankulam Nuclear Power Plant is scheduled to have six VVER-1000 reactors built in collaboration with Atomstroyexport, the Russian state company, and Nuclear Power Corporation of India Limited (NPCIL).
• Thermal capacity is 3,000 MW, and gross electrical capacity is 1,000 MW with a net capacity of 917 MW.
• As of the present time on 1st December 2021, the government is considering increasing its capability to 6000 MW, on completion of KKNPP-3 & 4 (2 X 1000 MW) and KKNPP-5 & 6 (2 X 1000 MW) which are presently under construction.

Additional Information

• Tarapur Atomic Power Station is located in Tarapur, Palghar, India. It was the first commercial nuclear power station built in India.
• The Rajasthan Atomic Power Station is located at Rawatbhata in the state of Rajasthan, India.
• Madras Atomic Power Station located at Kalpakkam about 80 kilometres south of Chennai, India, is comprehensive nuclear power production, fuel reprocessing, and waste treatment facility that includes plutonium fuel fabrication for fast breeder reactors.

The supervisor enters the examination room 30 minutes before 2:30 hours ⇒ It means he came at 2:00 hours (2:30 - 00:30)

He came 40 minutes before the student who was 20 minutes late for the exam ⇒ It means the student came at 2:40 hours (2:00 + 00:40)

The student was 20 mins late for the exam ⇒ It means the examination started at 2:20 hours (2:40 - 00:20)

Hence, 'option 4' is the correct answer.

The correct answer is Olga Tokarczuk.

Key Points

• 'Flights’, a novel about travel in the 21st century and human anatomy is written by Olga Tokarczuk.
• Polish author Olga Tokarczuk and translator Jennifer Croft discuss Tokarczuk’s Flights, winner of the 2018 Man Booker International Prize.
• Her works include Primeval and Other Times, Drive Your Plow Over the Bones of the Dead, and The Books of Jacob.
• Tokarczuk is noted for the mythical tone of her writing.
• For Flights and The Books of Jacob, she won the Nike Awards, Poland's top literary prize, among other accolades; she also won five times Nike audience award.
• Her works have been translated into almost 40 languages, making her one of the most translated contemporary Polish writers.

Additional Information

• Taslima Nasrin is a Bangladeshi-Swedish writer, physician, feminist, secular humanist, and activist. She is known for her writing on women's oppression and criticism of religion.
• Suzanna Arundhati Roy is an Indian author best known for her novel The God of Small Things, which won the Man Booker Prize for Fiction in 1997 and became the best-selling book by a non-expatriate Indian author.
• Virginie Despentes is a French writer, novelist, and filmmaker. She is known for her work exploring gender, sexuality, and people who live in poverty or other marginalised conditions.

Given:

Two even perfect squares.

Concept used:

The square of even is always even and odd is always odd.

The square of two consecutive even numbers is always a consecutive even perfect square.

Calculation:

Let's take two consecutive even numbers i.e, 2x and 2x + 2.

So, two even consecutive perfect square is (2x)² and (2x + 2)² i.e., 4x² and 4(x + 1)²

Now, factor of both numbers

4x² and 4(x+1)². Therefore, the only common factor we get here is one and only 4, which turns out to be HCF itself.

Thus, The HCF of two even consecutive perfect squares will be at least 4.

Hence, the correct answer is option 1).

Given:

Diameter of cone = 8 cm

Slant height of cone = 14 cm

Formula used:

Lateral surface Area of cone = πrl

Where, l = slant height

r = radius of cone

h = height

Calculation:

Radius = $\frac{Diameter}{2}$ = $\frac{8}{2}$ = 4cm

Lateral surface area of the cone = πrl

= $\frac{22}{7}$ × 4 × 14

= 176 cm²

Thus, the lateral surface area of cone is 176 cm².

Hence, the correct answer is option 2).

The correct answer is Jharkhand.

Key Points

• Jharkhand does not share land boundary with Nepal.
• Nepal shares a border of about 1850 km with five Indian States - Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim.
• An estimated 6 million Nepalese live and work in India.
• The India–Nepal border is an open international border running between India and Nepal.
• The 1,770 km (1,099.83 mi) long border includes the Himalayan territories as well as Indo-Gangetic Plain.
• The current border was delimited after the Sugauli treaty of 1816 between Nepal and the British Raj.
• Following Indian independence, the current border was recognised as the border between Nepal and the Republic of India.

Additional Information

• Hemant Soren is an Indian politician from Jharkhand, who is currently the Chief Minister of Jharkhand.
• Ranchi, in its modern form, is the capital city of the Indian state of Jharkhand.
• The present governor of Jharkhand is Ramesh Bais.
• Indian Elephant is the state animal of Jharkhand.

The positional values of the English alphabet is as follows:

The pattern followed here is:

‘MAGICAL’ is written as ‘KYEGAYJ’

Similarly,

‘NARNIA’ will be written as:

Hence, 'option 4' is the correct answer.