_________ gas was not present in its free state at the time when life arose on Earth.
- ((a))
Oxygen
- ((b))
Methane
- ((c))
Ammonia
- ((d))
Hydrogen
Show Answer
Oxygen
100 questions · 90 minutes · with answers · free
_________ gas was not present in its free state at the time when life arose on Earth.
Oxygen
Methane
Ammonia
Hydrogen
Oxygen
The sound wave travels on the following.
different speed in different mediums
same speed in different mediums
10 m/s in wood
different speed in the same medium
different speed in different mediums
_________ gas is evolved when zinc reacts with hydrochloric acid.
Hydrogen
Hydrogen Chloride
Chlorine
Oxygen
Hydrogen
The movie “The Man Who Knew Infinity”, released in the year 2016, is based on the biography of which famous personality?
Srinivasa Ramanujan
M.S. Swaminathan
C.V. Raman
A. P. J. Abdul Kalam
Srinivasa Ramanujan
The statement given below is followed by two arguments. You have to decide which argument(s) is/are strong.
Statements:
Food rich in protein is better than junk food.
Arguments:
I. Yes, food rich in protein is good for the mental and physical development of children.
II. No, junk food is tastier than food rich in protein.
Only argument I is strong.
Neither I Nor is II is strong.
Only argument II is strong.
Both arguments I and II are strong.
Only argument I is strong.
Identify the person who does not belong to the group.
Pentala Harikrishna
Koneru Humpy
Saina Nehwal
Viswanathan Anand
Pentala Harikrishna
What will be the minimum energy required to launch a satellite of m kg from the surface of the earth into a circular orbit at a height of 2R? The radius of the earth is R.
2 mgR
3 mgR
1/2 mgR
5/6 mgR
2 mgR
Mendel chose pea plants because ________.
All of the above options
They were cheap.
They were readily available.
He had odd looking qualities.
All of the above options
Find the value of .
2
8
6
10
2
What is the minimum age limit to be eligible for an appointment as the Prime Minister of India?
35 years
25 years
30 years
45 years
35 years
Which of the following statement is wrong?
If the buoyant force is less than the weight of the object, then the object sinks.
If the buoyant force is greater than the weight of the object, then the object floats.
If the buoyant force is less than the weight of the object, then the object floats.
If the buoyant force is equal to the weight of the object, then the object floats inside the liquid.
If the buoyant force is less than the weight of the object, then the object sinks.
What will be the mean of the numbers 4, 1, 1, 6, 2 and 7?
3.5
2
2.5
3
3.5
Find the geometric mean of the numbers 7, 72, 73, _________ 7n.
Determine the integer n so that n/60 should be less than or equal to but greater than .
11
10
12
Both option 1 and 3
11
The Act to replace the archaic 'Monopoly and Restricted Trade Practices Act, 1969' is _______.
Goods and Services Tax (GST)
Business freedom act
Prohibited Trade Practices Act
Competition act
Goods and Services Tax (GST)
In a city, each year, the number of people in the population at the beginning of the year increased by 3%. If the present population of that city is 30,00,000, then the population after 3 years will be.
3277181
3217881
3278181
3281781
3277181
Considering the statement, it is to be decided which of these assumption(s) is/are implicit in the statement.
Statements:
If you are a software engineer, we have a challenging project for you.
Assumptions:
I. You are a software engineer.
II. We need a software engineer.
Only Assumption II is implicit.
Only assumption I is implicit.
Either Assumption I or II is implicit.
Neither assumption I nor assumption II is implicit.
Only Assumption II is implicit.
What is the temperature at which a liquid begins to boil at atmospheric pressure?
Heat of fusion
Heat of neutralisation
Boiling point
Melting point
Heat of fusion
X attempted 98 questions and got 202 marks. If there is 4 marks for each correct answer and one negative mark for each wrong answer, then the number of correct questions answered by Mr X is _______.
58
40
38
60
58
Justice Jagdish Singh Khehar was appointed as the _______ Chief Justice of India in January 2017.
43rd
44th
40th
45th
43rd
The molar mass of ethene (C2H2) is
25u
28u
30u
26u
25u
If the angles of a triangle are in the ratio 5 : 6 : 7 then the triangle is said to be
equilateral triangle
acute triangle
right angled triangle
obtuse triangle
equilateral triangle
Select the option which is related to the third word in the same way that the second word is related to the first word.
Prose : Poetry :: Conversation : ________
Poem
Listening
Debate
Language
Poem
Where is the 'Shri Shiv Chhatrapati Sports Complex' (also known as Balewadi Stadium) located?
Nashik
Bhubaneswar
Pune
Ahmedabad
Nashik
What are the coordinates of the point which divides the line joining the points (–3, 7) and (9, –1) internally in the ratio 3 : 1?
(0, 5)
(6, 1)
(3, 3)
(0, 5)
What is the smallest number, which when divided by 4, 6, 10 and 15 leaves a remainder of 3 each time.
58
126
37
63
58
Select the different figure from the given figures.

C
A
D
B
C
In 2017, who has been awarded the 'Indira Gandhi Prize for Peace, Disarmament and Development'?
Ela Bhatt
Sonia Gandhi
Rahul Gandhi
Manmohan Singh
Ela Bhatt
The resistivity of copper is
1.69 × 10–10 Ω-m
1.69 × 10–8 Ω-m
1.69 × 10+8Ω-m
1.69 × 10–9Ω-m
1.69 × 10–10 Ω-m
________ is the autobiography of tennis champion Sania Mirza.
Ace Against Volleys
Ace and volleys
Ace against odds
Ace and odds
Ace Against Volleys
World press freedom is celebrated on _________.
15 August
20 October
10 June
3 May
15 August
Choose the correct mirror image of the following figure from the given four alternatives.
Question Figure:


Option Figure:

B
C
A
D
B
1, 4, 9, 16,_______, 36, 49 are the missing numbers in the number series.
20
24
28
25
20
Varsha was facing north, she turns 135° clockwise, then turns 45° anticlockwise, then again 225° clockwise. In which direction is he facing now?
East
North
North West
West
East
Given below is a statement followed by two assumptions I and II. Consider the statement and the following assumptions and decide which of the assumptions are implicit in the statement.
Statements:
A teacher says to a student, "If you don't listen to me, I will punish you."
Assumptions:
I. After the warning the student might heed the teacher's words.
II. Punishment is the best way to discipline the students.
Neither the assumption । nor II is implicit.
Only assumption I is implicit.
Both Assumptions I and II are implicit.
Only Assumption II is implicit.
Neither the assumption । nor II is implicit.
Choose the odd one from the given figures.

b
d
a
c
b
If the sum of the square roots of two integers is , then what is the sum of the squares of these two integers?
144
388
100
162
144
Which one of the following properties increases with an increase in atomic number in both the first and seventh groups of the modern periodic table?
Reactivity with water
Atomic size
Oxidation properties
Highest valency state
Reactivity with water
In the code language, HUG is written as SFT. What is the code for PET?
LVG
KVH
KUG
KVG
LVG
Which of the following is not a connective tissue?
Nerve cells
Cartilage
Bone
Blood
Nerve cells

Choose the correct image for the above blank (?) from the options given below.





Which of the following funds can be used by the Government of India in case of emergency or calamities?
Contingency fund
Consolidated funds
Public Fund
General fund
Contingency fund
How many national parks are there in Uttarakhand?
4
8
10
6
4
If tanθ = , then find the value of ?
ABCDEFGHIJKLMNOPQRSTUVWXYZ
The letters numbered 20, 1, 7, 5 are chosen to form a meaningful word. What is the second letter of the word?
F
G
A
T
F
If the rational numbers , , , are arranged in ascending order, which of the following will be placed first?
Some cylindrical containers without a lid are to be made from a rectangular sheet of metal measuring 2.2m × 2.1m. The diameter and height of the containers to be made are the same. The cost of manufacturing a container is Rs. 50. If the diameter of the container is to be made 14 cm, then find the total cost (in Rs.) to make the complete container.
3,000
5,000
3,750
2500
3,000
In which of the following cases, no work is done?
A windmill is extracting water from a well.
A donkey is carrying a weight on its back.
Suman is swimming in a pool.
An engine is pulling the train.
A windmill is extracting water from a well.
Which program was launched by Union Minister Uma Bharti in February 2018, for sustainable drinking water supply in rural Rajasthan?
Swajal Scheme
Pure water scheme
Available water plan
Clean water plan
Swajal Scheme
In ionic compounds, ions attract each other and are held together by a strong _________.
electrostatic forces
magnetic forces
gravitational forces
electric forces
electrostatic forces
The perimeter of an equilateral hexagon is 72 cm. What is its area in cm2?
144
216
108
36
144
In a certain code MEMORY is written as ROMEMY. Then how will SCIENTIST be written according to that code?
SITNEICST
SITNELGKL
ICSTISET
TENTVEGS
SITNEICST
Who is the author of the ancient Sanskrit grammar book 'Ashtadhyayi'?
Sushruta
Jaydev
Paṇini
Surdas
Sushruta
Select the correct figure that comes next in the given series of four figures.






Which of the following correctly represents the relationship between them.
A) Singing
B) Dancing
C) Art





Instantaneous velocity and Average velocity are equal when the object _________.
have uniform acceleration
walking in a circle
have variable acceleration
have zero acceleration
have uniform acceleration
Consider the following statements and arguments and decide which of the arguments is stronger.
Statements:
Is it necessary to cut the banyan tree standing in the middle of the road?
Argument:
I. Yes, because it obstructs the traffic. Also, there's going to be a big two-way project.
II. No, the road should be narrowed by dividing it into sections or a signal can be installed. Banyan trees will help in maintaining the supply of oxygen.
Neither argument I nor II is strong.
Only argument II is strong.
Only argument I is strong.
Both Arguments I and II are strong.
Neither argument I nor II is strong.
The sum of the present ages of two cousins is 52 years. 14 years ago the age of the elder brother was three times that of the younger brother. What is the present age of elder brother?
30 years
28 years
34 years
32 years
30 years
A solid cylinder whose base radius was 6 cm and height 9 cm is melted to form a solid sphere. The radius of this sphere is ________ cm.
3
4
3
27
3
Select the correct water image from the following figures.


B
D
A
C
B
Water flowing at a hydroelectric power station can rotate a turbine because it contains-
Electrical energy
Chemical energy
Kinetic energy
Potential energy
Electrical energy
What number would come in place of question mark (?) in the series?
2, 7, 19, 31, ?, ?
26, 28
47, 57
37, 41
31, 33
26, 28
The company made sales of Rs. 5,00,000 in 1 year. There was an increase in sales of 35% in Year 3 as compared to Year 1. What is the actual profit in year 3?
Rs. 2,50,000
Rs. 6,75,000
Rs. 6,00,000
Rs. 1,75,000
Rs. 2,50,000
A man can buy 4 more kg of sugar for Rs. 16 after reducing its price by Rs. 2/kg. What was the price of sugar earlier?
Rs. 4/kg
Rs. 2/kg
Rs. 8/kg
Rs. 16/kg
Rs. 4/kg
What is the number of possible faces (without inverting them) in a tetrahedron?
4
2
3
1
4
_________ was started by Lord Cornwallis in Bengal, Bihar and Orissa.
Permanent Settlement
Ryotwari System
Izaredari System
Mahalwari System
Permanent Settlement
_______ are the regions where pressure, as well as density, is high.
Rarefaction
Compression
Dimension
Ascent
Rarefaction
The potential difference is 40V. Find the work done to transmit a charge of 0.5C?
20 J
20 Ω
20 A
20 Ω-m
20 J
Which of the following is formed when vaporized carbon condenses in an inert gas atmosphere?
Fullerene
Graphite
Coke
Carbon black
Fullerene
Asian Games was first held in Delhi in the year _________.
1951
1956
1953
1952
1951
The SI unit of ________ is joule/second?
Work
Force
Thrust
Power
Work
What products are produced in the chlor-alkali process?
Chlorine and Calcium Hydroxide
Chlorine and Potassium Hydroxide
Chlorine and Aluminum Hydroxide
Chlorine & Sodium Hydroxide
Chlorine and Calcium Hydroxide
The following pie diagram shows the information on sales of different types of food items by restaurant "XYZ".
The total revenue received by the restaurant in November 2017 was 35 lakhs.
How much revenue was generated by restaurant "XYZ" in 2017 through the sale of donuts?
7 lakh
10 lakh
8.75 lakh
5.25 lakh
7 lakh
If the L.C.M. of two numbers 48 and 176 is equal to 4 × m, then find the value of m.
112
142
122
132
112
Read the given question and decide which of the following statements are sufficient to answer the question.
Question:
In which direction is city X with respect to city Y?
Statements:
I. X is to the north-west of Z.
II. X is to the north of M who is to the west of Z.
III. M is to the north-west of Y.
Only I and II are sufficient.
Only II and III are sufficient.
Only I and III are sufficient.
Only III is sufficient.
Only I and II are sufficient.
Read the following information carefully and answer the question given below.
There are 9 friends P, Q, R, S, T, U, V, W and X living in the apartment respectively. R is 2 km east of Q. P is 1 km north of Q and W is 2 km south of P. V is 1 km west of W. While S is 3 km east of V and U is 2 km north of V. X is in the midpoint of Q and R while T is in the midpoint of W and S. What is the distance between P and U?
3 km
1.5 km
1 km
2 km
3 km
A man swims 4 km upstream in 5 hours and 16 km downstream in 5 hours. What is the speed of the stream?
2.2 km/h
3.2 km/h
1.2 km/h
1.5 km/h
2.2 km/h
Unregulated means of raising funds for projects using cryptocurrencies such as Bitcoin, D.A.S.H., Ethereum, Monero, Litecoin, and Z-cash have been named ________.
Initial, Coin Offering
Crypto Currency Offering
Digi Coin Offering
In Digi Currency
Initial, Coin Offering
________ state has launched Indira Canteen Scheme to provide low-cost food to the urban poor.
Tamil Nadu
Assam
Rajasthan
Karnataka
Tamil Nadu
There are 100 children in a primary school. The number of children who like blue and red is 30. The number of children who like yellow and blue is 20. The number of children who like only one color is 45. No child likes only yellow and red. How many children like all three colours?
5
15
10
2
5
What is the value of 0.92 – 0.126 ÷ 0.6 + 6.7 × 0.03?
0.911
1.52
2.72
0.83
0.911
Choose the odd option.
| A | B | C | D |
|---|---|---|---|
| 5E | O14 | T20 | 25Y |
D
C
A
B
D
The three given shapes form a valid figure and identify the figure from the options given below?






The beings of the phylum are exclusively free-living beings in the ocean.
Nematoda
Mollusca
Arthropoda
Echinodermata
Nematoda
The sum of first 200 whole numbers is-
20100
19900
20000
19800
20100
Desert National Park is in ________.
Assam
Gujarat
Rajasthan
Kerala
Assam
Neelu cuts 2 kg of yarn in 12 days working 3 hours a day. How much time will she take to cut 10 kg of yarn working 4 hours a day?
48 days
45 days
26 days
32 days
48 days
4 years ago, Mitesh's age was twice that of Pranav. 11 years ago, Mitesh's age was thrice that of Pranav. What is Mitesh's present age?
36 years
28 years
34 years
32 years
36 years
Who is Ilavenil Meena Kandasamy?
Poet, Author and Activist
Composer, Music Producer and Music Director
Artist, Sculptor and Historian
Producer, Director and Screenwriter
Poet, Author and Activist
________ introduced the Izaredari system, according to which the right to collect revenue was given to the highest bidder for a period of 5 years.
Lord Cornwallis
Warren Hastings
Lord Dalhousie
Robert Clive
Lord Cornwallis
The SI unit of displacement is ________.
Meter
Kilometer
Centimeter
Meter per second
Meter
What is the remainder obtained when 4x6 – 5x3 – 3 is divided by x3 – 2?
3
2
0
1
3
Select the alternative which has the same relation to the third word as the second word is to the first word.
Petty : Serious :: Yell :
Whisper
Shout
Sing
Talk
Whisper
_______ element has the lowest ionization energy.
Sodium
Helium
Francium
Caesium
Sodium
Read the given question and decide which of the following statements are sufficient to answer the question.
Question: P, Q, W, V, and S are standing in a row in descending order of their weight. Who's standing in the middle?
Statements:
Only statement 2 is sufficient.
Statements 1 and 2 both are insufficient.
Only statement 1 is sufficient.
Statements 1, and 2 together are sufficient.
Only statement 2 is sufficient.
What is the size of the new Rs. 500 banknote?
66 mm × 150 mm
66 mm × 105 mm
66 mm × 151 mm
66 mm × 115 mm
66 mm × 150 mm
What is the cardiac cycle?
A beat and a pulse rate
a mechanoreceptor and a pulmonary cycle
a cycle of contraction and relaxation of the heart
double atrioventricular valve opening
A beat and a pulse rate
Urmi and Lokesh started partnership with an investment of Rs. 11,250 and Rs. 13,125 respectively but Lokesh had to withdraw his investment after 8 months due to financial crisis. In what ratio should the profit of the first 12 months be divided between both of them?
7 : 9
9 : 7
7 : 6
6 : 7
7 : 9
The number of electrons present in an atom of an element is equal to its _________.
Atomic number
Electron affinity
Atomic mass
Equivalent weight
Atomic number

Which of the following option figures would be suitable for the ? symbol above?

A
B
D
C
A
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