Official Paper

RRB JE CBT 1 2025 Official Paper (Held On: 19 Feb, 2026 Shift 1) (Previous Year Paper)

100 questions · 90 minutes · with answers · free

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Test (100 questions)

1

Who was appointed as the Chairman of the Union Public Service Commission by President Droupadi Murmu in May 2025?

  1. ((a))

    Dr. Ajay Kumar

  2. ((b))

    Dr. Alok Kumar

  3. ((c))

    Dr. Ajit Kumar

  4. ((d))

    Dr. Anil Kumar

Show Answer
Answer: ((a))

Dr. Ajay Kumar

2

When methane (CH4) (CH_4) burns completely in the presence of sufficient oxygen, which products are formed?

  1. ((a))

    Carbon dioxide and carbon

  2. ((b))

    Carbon dioxide and water

  3. ((c))

    Carbon and hydrogen

  4. ((d))

    Carbon monoxide and water

Show Answer
Answer: ((a))

Carbon dioxide and carbon

3

The LCM of 23×62×11 2^3 \times 6^2 \times 11 , 22×112×17 2^2 \times 11^2 \times 17 and 63×112×172 6^3 \times 11^2 \times 17^2 is:

  1. ((a))

    25 × 34 × 112 × 172

  2. ((b))

    24 × 34 × 112 × 172

  3. ((c))

    24 × 33 × 112 × 172

  4. ((d))

    25 × 33 × 112 × 172

Show Answer
Answer: ((a))

25 × 34 × 112 × 172

4

How does the magnetic field strength at the center of a circular loop change if the current through the loop is doubled?

  1. ((a))

    It remains unchanged

  2. ((b))

    It becomes half as large

  3. ((c))

    It becomes four times as large

  4. ((d))

    It becomes twice as large

Show Answer
Answer: ((a))

It remains unchanged

5

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.

<br>

(Left) K & Z # % X N E A A Y C + H \ Y = C $ M H (Right)

<br>

How many such letters are there each of which is immediately preceded by a symbol and also immediately followed by a letter?

  1. ((a))

    One

  2. ((b))

    Three

  3. ((c))

    Two

  4. ((d))

    Zero

Show Answer
Answer: ((a))

One

6

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.

<br>

(Left) U P X @ F H R A A # / E M # U L J \ L \ \ (Right)

<br>

How many such symbols are there each of which is immediately preceded by a symbol and also immediately followed by a letter?

  1. ((a))

    Three

  2. ((b))

    One

  3. ((c))

    Two

  4. ((d))

    None

Show Answer
Answer: ((a))

Three

7

In a factory, the average daily wage of 12 skilled workers and 18 unskilled workers is ₹604. If the average wage of the skilled workers is ₹754, then find the average wage of the unskilled workers.

  1. ((a))

    ₹524

  2. ((b))

    ₹514

  3. ((c))

    ₹534

  4. ((d))

    ₹504

Show Answer
Answer: ((a))

₹524

8

When two aqueous solutions react inside a sealed flask and form products, what happens to the total mass of the system?

  1. ((a))

    It increases due to gas formation

  2. ((b))

    It fluctuates during reaction

  3. ((c))

    It remains unchanged throughout

  4. ((d))

    It decreases due to precipitation

Show Answer
Answer: ((a))

It increases due to gas formation

9

Which statement is correct regarding the definition of biodegradable substances?

  1. ((a))

    Substances that are broken by chemical process

  2. ((b))

    Substances that are broken by mechanical process

  3. ((c))

    Substances that are broken by biological process

  4. ((d))

    Substances that are broken by physical process

Show Answer
Answer: ((a))

Substances that are broken by chemical process

10

Sodium hydroxide (NaOH) contains __________ as its anion.

  1. ((a))

    Na+ Na^+

  2. ((b))

    OH− OH^-

  3. ((c))

    H+ H^+

  4. ((d))

    NO3− NO_3^-

Show Answer
Answer: ((a))

Na+ Na^+

11

Which statement correctly describes the atomic number of an element?

  1. ((a))

    Number of neutrons present in the nucleus

  2. ((b))

    Number of protons present in the nucleus

  3. ((c))

    Total number of nucleons in the atom

  4. ((d))

    Total mass of all subatomic particles

Show Answer
Answer: ((a))

Number of neutrons present in the nucleus

12

In a certain code language,

A + B means ‘A is the son of B’

A – B means ‘A is the sister of B’

A x B means ‘A is the wife of B’

A ÷ B means ‘A is the brother of B’

<br>

Based on the above, how is C related to G if ‘C x S + D – F ÷ G’?

  1. ((a))

    Father's sister's daughter

  2. ((b))

    Sister's son's wife

  3. ((c))

    Mother's sister's son

  4. ((d))

    Mother's sister's daughter

Show Answer
Answer: ((a))

Father's sister's daughter

13

Girish scored 459 marks in an examination and was 81 marks short of 20% of the maximum marks. In the same examination, his friend scored 756 marks. What is the percentage of marks scored by his friend?

  1. ((a))

    29%

  2. ((b))

    30%

  3. ((c))

    28%

  4. ((d))

    27%

Show Answer
Answer: ((a))

29%

14

If the mode and median of a certain data are 24 and 18, respectively, then the mean of the data is:

  1. ((a))

    20

  2. ((b))

    22

  3. ((c))

    15

  4. ((d))

    24

Show Answer
Answer: ((a))

20

15

Which cell organelle is responsible for the manufacture of lipids in the cell?

  1. ((a))

    Smooth Endoplasmic Reticulum

  2. ((b))

    Mitochondria

  3. ((c))

    Rough Endoplasmic Reticulum

  4. ((d))

    Golgi Apparatus

Show Answer
Answer: ((a))

Smooth Endoplasmic Reticulum

16

Refer to the following letter, symbol series and answer the question.

(Left) V E @ M O S % & V I % X TPN T P N V # C & B J (Right)

If all the letters are dropped from the series, which of the following will be fifth from the left?

  1. ((a))

    %

  2. ((b))

    $

  3. ((c))

    @

  4. ((d))

Show Answer
Answer: ((a))

%

17

When a gun is fired, it recoils backward as the bullet moves forward. How does this demonstrate Newton’s third law of motion?

  1. ((a))

    The gun pushes the bullet forward, and the bullet pushes the gun backward with an equal and opposite force.

  2. ((b))

    The gun recoils because the bullet moves faster than the gun.

  3. ((c))

    The bullet moves forward only because the gun has stored energy.

  4. ((d))

    The gun moves backward because it is heavier than the bullet.

Show Answer
Answer: ((a))

The gun pushes the bullet forward, and the bullet pushes the gun backward with an equal and opposite force.

18

21 is related to 274 following a certain logic. Following the same logic, 26 is related to 339. To which of the following is 34 related, following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  1. ((a))

    447

  2. ((b))

    445

  3. ((c))

    443

  4. ((d))

    452

Show Answer
Answer: ((a))

447

19

A question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements carefully and decide the appropriate answer.

<br>

Five people, A, B, C, D and E, are sitting in a straight line facing north. Who sits to the immediate left of C?

I. B sits second from one of the extreme ends of the line. Only one person sits between B and C. D sits third to the right of C.

II. D sits to the immediate right of B. Only three people sit between D and A. E sits to the immediate right of C.

  1. ((a))

    Data in statement II alone is sufficient to answer the question while data in statement I is not

  2. ((b))

    Data in both statements I and II together is NOT sufficient to answer the question

  3. ((c))

    Data in statement I alone is sufficient to answer the question while data in statement II is not

  4. ((d))

    Data in both statements I and II together (and not statement I alone or statement II alone) is sufficient to answer the question

Show Answer
Answer: ((a))

Data in statement II alone is sufficient to answer the question while data in statement I is not

20

Which statement best explains why unsaturated carbon compounds are generally more reactive than saturated carbon compounds?

  1. ((a))

    Unsaturated compounds have double or triple bonds between carbon atoms

  2. ((b))

    Unsaturated compounds have fewer hydrogen atoms attached to carbon

  3. ((c))

    Unsaturated compounds form only straight carbon chains

  4. ((d))

    Unsaturated compounds contain only single bonds between carbon atoms

Show Answer
Answer: ((a))

Unsaturated compounds have double or triple bonds between carbon atoms

21

Systolic pressure is measured when the heart __________.

  1. ((a))

    Relaxes

  2. ((b))

    Contracts

  3. ((c))

    Fills with blood

  4. ((d))

    Stops beating

Show Answer
Answer: ((a))

Relaxes

22

The selling price of 45 books is equal to the cost price of 18 books. Find the loss or gain percentage.

  1. ((a))

    60 % loss

  2. ((b))

    10027\frac{100}{27} %  loss

  3. ((c))

    10027\frac{100}{27} %  gain

  4. ((d))

    60 % gain

Show Answer
Answer: ((a))

60 % loss

23

Why are bulbs filled with nitrogen and argon gases instead of air?

  1. ((a))

    To increase brightness

  2. ((b))

    To make the bulb heavier

  3. ((c))

    To reduce electricity consumption

  4. ((d))

    To prolong the life of the filament

Show Answer
Answer: ((a))

To increase brightness

24

What should come in place of the question mark (?) in the given series?

<br>

7 10 16 25 37 ?

  1. ((a))

    52

  2. ((b))

    51

  3. ((c))

    53

  4. ((d))

    50

Show Answer
Answer: ((a))

52

25

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

All papers are bags.

All bags are copies.

Some copies are erasers.

Conclusions:

(I): All papers are erasers.

(II): All bags are erasers.

  1. ((a))

    Both conclusions (I) and (II) follow.

  2. ((b))

    Only conclusion (I) follows.

  3. ((c))

    Neither conclusion (I) nor (II) follows.

  4. ((d))

    Only conclusion (II) follows.

Show Answer
Answer: ((a))

Both conclusions (I) and (II) follow.

26

What is the function of the iris in the human eye?

  1. ((a))

    Transmits signals to the brain

  2. ((b))

    Forms the image on the retina

  3. ((c))

    Refracts incoming light rays

  4. ((d))

    Controls the size of the pupil

Show Answer
Answer: ((a))

Transmits signals to the brain

27

Ifxy=182, If \frac{x}{y} = \frac{18}{2}, then find x2+y2x2−y2 \frac{x^2 + y^2}{x^2 - y^2}

  1. ((a))

    4140 \frac{41}{40}

  2. ((b))

    3740 \frac{37}{40}

  3. ((c))

    4740 \frac {47}{40}

  4. ((d))

    3140 \frac {31}{40}

Show Answer
Answer: ((a))

4140 \frac{41}{40}

28

In a certain code language,

A + B means ‘A is the mother of B’,

A – B means ‘A is the brother of B’,

A x B means ‘A is the wife of B’,

A % B means ‘A is the father of B’ and

A # B means ‘A is the daughter of B’.

<br>

How is F related to M if ‘F # H x J % E % M’?

  1. ((a))

    Father’s mother

  2. ((b))

    Father’s sister

  3. ((c))

    Brother’s son

  4. ((d))

    Son’s daughter

Show Answer
Answer: ((a))

Father’s mother

29

From the top of a cliff the angle of depression of a point on the ground 240 feet away from the bottom of the cliff is 30°. Find the height of the cliff (in feet, rounded off to the nearest integer).

(Use 3=1.732 \sqrt{3} = 1.732 )

  1. ((a))

    130

  2. ((b))

    139

  3. ((c))

    124

  4. ((d))

    146

Show Answer
Answer: ((a))

130

30

Ajay spends 80% of his income. His income is increased by 30%, and his expenditure is increased by 10%. Find the percentage increase in his savings.

  1. ((a))

    105%

  2. ((b))

    110%

  3. ((c))

    100%

  4. ((d))

    90%

Show Answer
Answer: ((a))

105%

31

Which enzyme initiates carbohydrate digestion in the human mouth?

  1. ((a))

    Pepsin secreted by gastric glands

  2. ((b))

    Salivary amylase present in saliva

  3. ((c))

    Trypsin released by pancreas

  4. ((d))

    Lipase secreted by liver

Show Answer
Answer: ((a))

Pepsin secreted by gastric glands

32

When a man pushes a wall but the wall does not move, what is the work done by the man on the wall?

  1. ((a))

    Negative work is done as the wall resists the push.

  2. ((b))

    Positive work is done as force is applied.

  3. ((c))

    Maximum work is done as the man uses full effort.

  4. ((d))

    Zero work is done as there is no displacement of the wall.

Show Answer
Answer: ((a))

Negative work is done as the wall resists the push.

33

While covering a distance of 36 km, a man noticed that after cycling for 2 hour 5 minutes, the distance covered by him was 67 \frac{6}{7} of the remaining distance. What was his approximate speed in km/h?

  1. ((a))

    6.7

  2. ((b))

    8

  3. ((c))

    7.4

  4. ((d))

    8.7

Show Answer
Answer: ((a))

6.7

34

Which structural feature primarily enables upward movement of water against gravity in plants?

  1. ((a))

    Actively dividing meristematic tissues

  2. ((b))

    Lignified xylem vessels forming continuous columns

  3. ((c))

    Large intercellular spaces in spongy mesophyll

  4. ((d))

    Thin-walled sieve tubes with companion cells

Show Answer
Answer: ((a))

Actively dividing meristematic tissues

35

Seven people, F, J, M, L, R, V and X, are sitting in a row, facing north.

No one sits to the right of J. Only three people sit between J and R. Only two people sit between R and M. V sits third to the left of L. X sits to the immediate right of L.

How many people sit to the left of X?

  1. ((a))

    2

  2. ((b))

    1

  3. ((c))

    4

  4. ((d))

    3

Show Answer
Answer: ((a))

2

36

The base and the corresponding height of a parallelogram are 93 cm and 29 cm, respectively. The area of the parallelogram (in cm2 \text{cm}^2 ) is:

  1. ((a))

    2701

  2. ((b))

    2714

  3. ((c))

    2697

  4. ((d))

    2696

Show Answer
Answer: ((a))

2701

37

Coal is primarily formed from:

  1. ((a))

    Remains of animals preserved in rocks

  2. ((b))

    Lava flows from volcanoes

  3. ((c))

    Layers of dead plants compressed over millions of years

  4. ((d))

    Mineral deposits in the Earth

Show Answer
Answer: ((a))

Remains of animals preserved in rocks

38

Who is the author of the book 'Leo: The Untold Story of Chennai Super Kings', which was launched in March 2025?

  1. ((a))

    Ravichandran Ashwin

  2. ((b))

    K. Chandrashekharan

  3. ((c))

    P.S. Raman

  4. ((d))

    Aniruddha Srikanth

Show Answer
Answer: ((a))

Ravichandran Ashwin

39

A toy manufacturer originally makes a conical toy with a base radius of 3 cm and a height of 7 cm. Due to customer demand, he now wants to produce a similar toy that has 75% of the original volume, while keeping the same base radius as before. What should be the height of the new toy? (Take π=227) (\text{Take } \pi = \frac{22}{7})

  1. ((a))

    5.125 cm

  2. ((b))

    5.5 cm

  3. ((c))

    5.25 cm

  4. ((d))

    5.75 cm

Show Answer
Answer: ((a))

5.125 cm

40

Each of G, H, I, J, P, Q and R has an exam on a different day of a week, starting from Monday and ending on Sunday of the same week. Only two people have exam before Q. Only one person has exam after P. Only three people have exam between Q and J. Only one person has exam between I and H. G has exam immediately before I. How many people have exam between R and I?41

  1. ((a))

    Two

  2. ((b))

    Three

  3. ((c))

    One

  4. ((d))

    None

Show Answer
Answer: ((a))

Two

41

In the 2024 Global Hunger Index released on October 2024, India is ranked 105th out of the how many countries?

  1. ((a))

    195

  2. ((b))

    90

  3. ((c))

    127

  4. ((d))

    210

Show Answer
Answer: ((a))

195

42

Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.

<br>

NF – RJ – VN

MB – QF – UJ

  1. ((a))

    HK – LN – FL

  2. ((b))

    OG – SK – WO

  3. ((c))

    RM – UT – PR

  4. ((d))

    TW – YZ – SY

Show Answer
Answer: ((a))

HK – LN – FL

43

The term 'Ragam-Tanam-Pallavi' is associated with which style of Indian music?

  1. ((a))

    Carnatic Music

  2. ((b))

    Folk Music

  3. ((c))

    Sufi Music

  4. ((d))

    Hindustani Music

Show Answer
Answer: ((a))

Carnatic Music

44

Each of P, Q, R, S, T, U and V has an exam on a different day of a week, starting from Monday and ending on Sunday of the same week.

Only five people have exams between T and R. S has exam on Wednesday. V has exam immediately after P but not on Saturday. Q has exam immediately before T.

How many people have exams between U and V?

  1. ((a))

    One

  2. ((b))

    Four

  3. ((c))

    Two

  4. ((d))

    Three

Show Answer
Answer: ((a))

One

45

100 apples were bought at ₹1,240 per hundred and were sold at a profit of ₹935. Find the selling price (in ₹) per dozen of apples.

  1. ((a))

    261

  2. ((b))

    266

  3. ((c))

    271

  4. ((d))

    256

Show Answer
Answer: ((a))

261

46

X people were given a contract for doing a piece of work in 32 days. 8 people did not turn up to work due to sickness, and the rest of the people completed the work in 40 days. What is the value of X?712

  1. ((a))

    38

  2. ((b))

    42

  3. ((c))

    44

  4. ((d))

    40

Show Answer
Answer: ((a))

38

47

The average of the first 18 positive multiples of 10 is:

  1. ((a))

    10

  2. ((b))

    95

  3. ((c))

    90

  4. ((d))

    18

Show Answer
Answer: ((a))

10

48

Hitesh starts from Point A and drives 10 km towards east. He then takes a left turn, drives 5 km, turns left and drives 11 km. He then takes a left turn and drives 6 km. He takes a final left turn, drives 1 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)

  1. ((a))

    2 km to the south

  2. ((b))

    1 km to the south

  3. ((c))

    2 km to the north

  4. ((d))

    1 km to the north

Show Answer
Answer: ((a))

2 km to the south

49

Which of the following metals is NOT refined by electrolytic refining?

  1. ((a))

    sodium

  2. ((b))

    copper

  3. ((c))

    tin

  4. ((d))

    zinc

Show Answer
Answer: ((a))

sodium

50

In a certain code,

'heavy metal music' is coded as 'mx zb kg'

'heavy storm warning' is coded as 'kw vg mx'

'crazy metal storm' is coded as 'zb rq vg'

(all the codes are two letter coded only)

What is the code for 'warning music'?

  1. ((a))

    mx rq

  2. ((b))

    zb vg

  3. ((c))

    kg rq

  4. ((d))

    kw kg

Show Answer
Answer: ((a))

mx rq

51

Which of the following statements about washing soda is CORRECT?

  1. ((a))

    It does not remove permanent hardness of water

  2. ((b))

    Washing soda is chemically sodium carbonate decahydrate (Na2CO3⋅10H2O \text{Na}_2\text{CO}_3 \cdot 10\text{H}_2\text{O} )

  3. ((c))

    It is obtained by heating sodium bicarbonate to 100°C

  4. ((d))

    Washing soda is acidic in nature

Show Answer
Answer: ((a))

It does not remove permanent hardness of water

52

Rashmi and Varsha together have ₹22576 ₹22576 . If 5/16 5/16 of Rashmi's amount is equal to 3/7 3/7 of Varsha's amount, how much money does Rashmi have?

  1. ((a))

    ₹13056

  2. ((b))

    ₹13054

  3. ((c))

    ₹13052

  4. ((d))

    ₹13050

Show Answer
Answer: ((a))

₹13056

53

81 is related to 260 following a certain logic. Following the same logic, 108 is related to 287. To which of the following is 156 related, following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  1. ((a))

    335

  2. ((b))

    334

  3. ((c))

    332

  4. ((d))

    340

Show Answer
Answer: ((a))

335

54

Let C be a circle with center O. Let AB be a tangent to C, such that AB touches the circle at P. Let X and Y be any two points on C. If ∠APX=60∘ \angle APX = 60^\circ and ∠BPY=30∘ \angle BPY = 30^\circ , find ∠PYX \angle PYX and ∠PXY \angle PXY , respectively.

  1. ((a))

    60°, 30°

  2. ((b))

    30°, 60°

  3. ((c))

    90°, 60°

  4. ((d))

    90°, 30°

Show Answer
Answer: ((a))

60°, 30°

55

Ajay can row at 4.5 km/h 4.5 \text{ km/h} in still water. It takes him twice the time to row up as it takes for him to row down the same distance. Find the speed of the stream (in km/h).

  1. ((a))

    0.5

  2. ((b))

    1.5

  3. ((c))

    2

  4. ((d))

    3

Show Answer
Answer: ((a))

0.5

56

What was the primary theme of the International Symposium on Health Technology Assessment (ISHTA) 2025?

  1. ((a))

    Showcasing medical device technologies

  2. ((b))

    Bridging evidence to policy for healthcare

  3. ((c))

    Promoting digital health innovations

  4. ((d))

    Enhancing global health security efforts

Show Answer
Answer: ((a))

Showcasing medical device technologies

57

A shopkeeper marks an article at ₹x ₹x and offers a discount of 50 50% on it. He sells it for ₹287 ₹287 after charging VAT of 64 64% on the discounted price. What is the value of x?

  1. ((a))

    200

  2. ((b))

    350

  3. ((c))

    300

  4. ((d))

    250

Show Answer
Answer: ((a))

200

58

Which Indian filmmaker was inducted as a registered member of the European Film Academy in 2025?

  1. ((a))

    Kiran Rao

  2. ((b))

    Sriram Raghavan

  3. ((c))

    Pan Nalin

  4. ((d))

    Neeraj Ghaywan

Show Answer
Answer: ((a))

Kiran Rao

59

Consider a quadratic equation 3x2+4x−8=0 3x^2 + 4x - 8 = 0 . Which of the following quadratic equations will have both roots common with the given quadratic equation?

  1. ((a))

    −1.5x2−2x+4=0-1.5x^2 - 2x + 4 = 0

  2. ((b))

    3x2+4x+8=03x^2 +4x +8=0

  3. ((c))

    3x2−4x+8=03x^2-4x+8=0

  4. ((d))

    −1.5x2+2x+4=0-1.5x^2+2x+4=0

Show Answer
Answer: ((a))

−1.5x2−2x+4=0-1.5x^2 - 2x + 4 = 0

60

Sonora-64 and Lerma Rojo are high-yielding varieties (HYVs) of which crop introduced during the Green Revolution in India?

  1. ((a))

    Wheat

  2. ((b))

    Rice

  3. ((c))

    Maize

  4. ((d))

    Barley

Show Answer
Answer: ((a))

Wheat

61

If a convex mirror forms a point-sized image at its focus, where is the object located?

  1. ((a))

    Between F and the pole

  2. ((b))

    Between P and F

  3. ((c))

    At infinity

  4. ((d))

    At the pole

Show Answer
Answer: ((a))

Between F and the pole

62

A sum of money is divided among X, Y and Z in the ratio 4:3:6 4:3:6 . If the share of Z is ₹3300 ₹3300 more than Y, then how much amount will X get more than Y?

  1. ((a))

    ₹1100 ₹ 1100

  2. ((b))

    ₹1200 ₹ 1200

  3. ((c))

    ₹1000 ₹ 1000

  4. ((d))

    ₹1300 ₹ 1300

Show Answer
Answer: ((a))

₹1100 ₹ 1100

63

Atomic masses of elements are compared with a standard reference. Carbon-12 was chosen as the standard for the atomic mass unit mainly because:

  1. ((a))

    Carbon-12 gives atomic masses close to whole numbers

  2. ((b))

    Carbon is present in very large amounts in nature

  3. ((c))

    Carbon is able to form a large number of compounds

  4. ((d))

    Carbon shows very little chemical reactivity with elements

Show Answer
Answer: ((a))

Carbon-12 gives atomic masses close to whole numbers

64

Why are cross-breeding programmes between indigenous and exotic poultry breeds undertaken?

  1. ((a))

    To increase only the egg size

  2. ((b))

    To create hybrids with less attractive features

  3. ((c))

    To create hybrids showing similarity with their ancestors

  4. ((d))

    To develop new varieties with desirable traits

Show Answer
Answer: ((a))

To increase only the egg size

65

Which bee variety is commonly known as the Indian bee and is used for commercial honey production?

  1. ((a))

    Apis cerana indica

  2. ((b))

    Apis florae

  3. ((c))

    Apis mellifera

  4. ((d))

    Apis dorsata

Show Answer
Answer: ((a))

Apis cerana indica

66

Mahesh has borrowed an amount of ₹4,40,000 ₹4,40,000 from a bank to start a business. How much simple interest (in ₹) will he pay at a rate of 6 6% per annum after 4 4 years?

  1. ((a))

    1,05,600

  2. ((b))

    1,04,600

  3. ((c))

    1,06,600

  4. ((d))

    1,03,600

Show Answer
Answer: ((a))

1,05,600

67

Which of the following everyday examples represents a homogeneous mixture?

  1. ((a))

    Sand mixed uniformly with iron filings

  2. ((b))

    Salt completely dissolved in water

  3. ((c))

    Oil mixed thoroughly with water

  4. ((d))

    Chalk powder stirred in water

Show Answer
Answer: ((a))

Sand mixed uniformly with iron filings

68

What should come in place of the '?' in the given series, based on the English alphabetical order?

<br>

RLO QKN PJM OIL ?

  1. ((a))

    NHL

  2. ((b))

    NGK

  3. ((c))

    NHK

  4. ((d))

    NGL

Show Answer
Answer: ((a))

NHL

69

A cricket ball of mass 0.15 kg is thrown horizontally at 30 m/s from the top of a building. What is the ball's kinetic energy as it leaves the hand?

  1. ((a))

    90 J

  2. ((b))

    67.5 J

  3. ((c))

    45.5 J

  4. ((d))

    135 J

Show Answer
Answer: ((a))

90 J

70

What is the remainder when 3939 3^{939} is divided by 8?

  1. ((a))

    3

  2. ((b))

    0

  3. ((c))

    2

  4. ((d))

    5

Show Answer
Answer: ((a))

3

71

If x=5123 x = \sqrt[3]{512} , y=646 y = \sqrt[6]{64} and z=63−2×102 z = 6^3 - 2 \times 10^2 , then 10(x2+y3+z+12)3 \sqrt[3]{10(x^2 + y^3 + z + 12)} is equal to:

  1. ((a))

    30

  2. ((b))

    20

  3. ((c))

    10

  4. ((d))

    40

Show Answer
Answer: ((a))

30

72

Solve the following linear equations.

2x+3y−5z=4 2x + 3y - 5z = 4 ,
x+3y−2z=12 x + 3y - 2z = 12 ,
2x+y−3z=5 2x + y - 3z = 5

  1. ((a))

    x=438,y=658,z=398 x = \frac{43}{8}, y = \frac{65}{8}, z = \frac{39}{8}

  2. ((b))

    x=438,y=−658,z=−398 x = \frac{43}{8}, y = -\frac{65}{8}, z = -\frac{39}{8}

  3. ((c))

    x=658,y=398,z=438 x = \frac{65}{8}, y = \frac{39}{8}, z = \frac{43}{8}

  4. ((d))

    x=−438,y=−658,z=398 x = -\frac{43}{8}, y = -\frac{65}{8}, z = \frac{39}{8}

Show Answer
Answer: ((a))

x=438,y=658,z=398 x = \frac{43}{8}, y = \frac{65}{8}, z = \frac{39}{8}

73

Which of the following is NOT a feature of the Comprehensive Environmental Pollution Index?

  1. ((a))

    It was first introduced in 1983.

  2. ((b))

    All the polluting sources identified in the area shall be notified and brought into the public domain.

  3. ((c))

    It can applied to locations other than industrial clusters.

  4. ((d))

    It shall be an early warning tool.

Show Answer
Answer: ((a))

It was first introduced in 1983.

74

Simplify the following.

112÷[16÷8×18+12−(3+10−(4+7))] 112 \div [16 \div 8 \times {18 + 12 - (3 + 10 - (4 + 7))}]

  1. ((a))

    2

  2. ((b))

    4

  3. ((c))

    11

  4. ((d))

    3

Show Answer
Answer: ((a))

2

75

Refer to the two statements given below and choose the CORRECT option.

<br>

Statement A: Selective reabsorption in nephrons helps maintain water and salt balance in the body.

<br>

Statement B: Selective reabsorption prevents nitrogenous wastes from entering the filtrate.

  1. ((a))

    Statement A is correct but B is incorrect.

  2. ((b))

    Both statements A and B are incorrect.

  3. ((c))

    Both statements A and B are correct.

  4. ((d))

    Statement A is incorrect but B is correct.

Show Answer
Answer: ((a))

Statement A is correct but B is incorrect.

76

Which two districts of Uttarakhand share the inter-state border with Himachal Pradesh in the north-west?

  1. ((a))

    Chamoli and Pithoragarh

  2. ((b))

    Pauri and Rudraprayag

  3. ((c))

    Uttarkashi and Dehradun

  4. ((d))

    Champawat and Bageshwar

Show Answer
Answer: ((a))

Chamoli and Pithoragarh

77

D, R, A, W and S have different marks. Only one person has scored between W and S. Only one person has scored between S and D. A has scored less than W and S.

How many people have scored less than R?

  1. ((a))

    Two

  2. ((b))

    Four

  3. ((c))

    Three

  4. ((d))

    One

Show Answer
Answer: ((a))

Two

78

A physicist uses a convex lens to focus sunlight onto a piece of paper and notices the smallest, brightest spot forms at a certain distance from the lens. Which property of the lens does this experiment help to determine?

  1. ((a))

    The experiment helps to determine the principal axis of the lens.

  2. ((b))

    The experiment helps to determine the focal length of the lens.

  3. ((c))

    The experiment helps to determine the diameter of the lens.

  4. ((d))

    The experiment helps to determine the optical center of the lens.

Show Answer
Answer: ((a))

The experiment helps to determine the principal axis of the lens.

79

How did Mahatma Gandhi’s views on untouchability shape the priorities of the Indian National Congress during the Gandhian phase?

  1. ((a))

    Shifting primary focus toward agrarian economic reforms

  2. ((b))

    Making abolition of untouchability a central objective

  3. ((c))

    Concentrating on political integration of princely states

  4. ((d))

    Endorsing separate political electorates for communities

Show Answer
Answer: ((a))

Shifting primary focus toward agrarian economic reforms

80

If + means - , - means x , x means ÷ , ÷ means +, then what will come in place of the question mark (?) in the following equation?

<br>

3−24×6÷21+7=? 3 - 24 \times 6 \div 21 + 7 = ?

  1. ((a))

    28

  2. ((b))

    36

  3. ((c))

    26

  4. ((d))

    31

Show Answer
Answer: ((a))

28

81

LKLJ is related to GFGE in a certain way based on the English alphabetical order. In the same way, NMNL is related to IHIG. To which of the following is QPQO related, following the same logic?3438

  1. ((a))

    LKKJ

  2. ((b))

    LJKJ

  3. ((c))

    LKLJ

  4. ((d))

    LLKQ

Show Answer
Answer: ((a))

LKKJ

82

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

<br>

(11, 13, 17)

(8, 7, 11)

  1. ((a))

    (6, 21, 25)

  2. ((b))

    (9, 9, 5)

  3. ((c))

    (10, 11, 15)

  4. ((d))

    (13 , 17, 13)

Show Answer
Answer: ((a))

(6, 21, 25)

83

If an ammeter reading increases when a thicker wire replaces a thinner one of the same material and length, what is the most likely reason?

  1. ((a))

    The resistance of the thicker wire is lower, allowing more current

  2. ((b))

    The wire's resistivity increased

  3. ((c))

    The voltage across the wire decreased

  4. ((d))

    The wire's length is shorter

Show Answer
Answer: ((a))

The resistance of the thicker wire is lower, allowing more current

84

Find the value of x+3x2−2x×2x−1x2+2x+4×x4−8x2x2+5x−3 \frac{x + 3}{x^2 - 2x} \times \frac{2x - 1}{x^2 + 2x + 4} \times \frac{x^4 - 8x}{2x^2 + 5x - 3} .

  1. ((a))

    2 2

  2. ((b))

    1 1

  3. ((c))

    0 0

  4. ((d))

    −1 -1

Show Answer
Answer: ((a))

2 2

85

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the letter-cluster that does NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter-cluster.)

  1. ((a))

    PQN

  2. ((b))

    YZW

  3. ((c))

    VWT

  4. ((d))

    KMI

Show Answer
Answer: ((a))

PQN

86

If 25 people, working for 10 hours a day, can complete 2 units of work in 5 days, then how many days will be required for 15 people to complete 18 units of work, if each person works for 10 hours a day?

  1. ((a))

    60

  2. ((b))

    75

  3. ((c))

    70

  4. ((d))

    85

Show Answer
Answer: ((a))

60

87

In which year was the first national Census of India carried out during British India?

  1. ((a))

    1901

  2. ((b))

    1851

  3. ((c))

    1871

  4. ((d))

    1891

Show Answer
Answer: ((a))

1901

88

Ribosomes are attached to the surface of the rough endoplasmic reticulum. What is the primary function of the rough endoplasmic reticulum?

  1. ((a))

    Energy production and cellular respiration

  2. ((b))

    Lipid synthesis

  3. ((c))

    Protein synthesis and transport

  4. ((d))

    DNA replication and transcription

Show Answer
Answer: ((a))

Energy production and cellular respiration

89

The quadratic equation whose roots are 12 \frac{1}{\sqrt{2}} and 12 \frac{1}{\sqrt{2}} is:

  1. ((a))

    2x2−(22)x+1=0 2x^2 - (2\sqrt{2})x + 1 = 0

  2. ((b))

    2x2+(25)x+1=0 2x^2 + (2\sqrt{5})x + 1 = 0

  3. ((c))

    3x2−(22)x−1=0 3x^2 - (2\sqrt{2})x - 1 = 0

  4. ((d))

    2x2−(42)x−1=0 2x^2 - (4\sqrt{2})x - 1 = 0

Show Answer
Answer: ((a))

2x2−(22)x+1=0 2x^2 - (2\sqrt{2})x + 1 = 0

90

Which of the following is NOT true regarding the Poona Pact of 1932?

  1. ((a))

    Ambedkar refused to sign the pact.

  2. ((b))

    It was accepted by the government.

  3. ((c))

    Seats reserved for depressed classes increased in the legislatures.

  4. ((d))

    It dropped the idea of separate electorates for depressed classes.

Show Answer
Answer: ((a))

Ambedkar refused to sign the pact.

91

In a certain code,

'tall boy smart' is coded as 'we ki no'

'short boy lazy' is coded as 'pa ki ru'

'tall girl lazy' is coded as 'we sa ru'

(all the codes are two letter coded only)

What is the code for “tall boy”?

  1. ((a))

    we sa

  2. ((b))

    pa ru

  3. ((c))

    we ki

  4. ((d))

    sa ki

Show Answer
Answer: ((a))

we sa

92

Study the given diagram carefully and answer the question that follows. The numbers in different sections indicate the number of persons. (NOTE: You have to take the given data to be true even if they seem to be at variance from commonly known facts.)

<br>

How many builders are urban residents and own land?

  1. ((a))

    7

  2. ((b))

    9

  3. ((c))

    6

  4. ((d))

    11

Show Answer
Answer: ((a))

7

93

Which of the following coastal features in India is believed to have submerged due to tectonic or sea-level changes, as referenced in Indian mythology and archaeology?

  1. ((a))

    Dwaraka near Gujarat

  2. ((b))

    Rameshwaram near Tamil Nadu

  3. ((c))

    Sunderbans in West Bengal

  4. ((d))

    Kavaratti in Lakshadweep

Show Answer
Answer: ((a))

Dwaraka near Gujarat

94

Find the median from the following data. 

Age in years15-2525-3535-4545-5555-6565-7575-85
No. of patients10172226302421
  1. ((a))

    47 years

  2. ((b))

    70 years

  3. ((c))

    55 years

  4. ((d))

    65 years

Show Answer
Answer: ((a))

47 years

95

What is the constitutional consequence if the Lok Sabha passes a no-confidence motion against the ruling government?

  1. ((a))

    The Council of Ministers is obligated to step down

  2. ((b))

    The government may continue without any change

  3. ((c))

    The Speaker of Lok Sabha is removed by the President

  4. ((d))

    Only the Prime Minister must submit resignation

Show Answer
Answer: ((a))

The Council of Ministers is obligated to step down

96

The 44th Amendment Act of 1978 restored the standard term of the Lok Sabha and State Legislature to how many years?

  1. ((a))

    seven

  2. ((b))

    three

  3. ((c))

    five

  4. ((d))

    six

Show Answer
Answer: ((a))

seven

97

What should come in place of ‘?’ in the given series?

<br>

23 34 45 56 67 ?

  1. ((a))

    77

  2. ((b))

    75

  3. ((c))

    78

  4. ((d))

    76

Show Answer
Answer: ((a))

77

98

Why is using compost or vermi-compost preferable to excessive use of fertilizers for increasing soil fertility?

  1. ((a))

    It eliminates bacterial and viral plant diseases.

  2. ((b))

    It supplies only micro-nutrients and avoids macronutrients.

  3. ((c))

    It recycles biological waste and avoids environmental harm.

  4. ((d))

    It replaces the need for irrigation and weeding.

Show Answer
Answer: ((a))

It eliminates bacterial and viral plant diseases.

99

If a material has an absolute refractive index of 1.7, what does this imply about the speed of light in that material compared to vacuum?

  1. ((a))

    The speed difference cannot be determined from this value.

  2. ((b))

    Light travels 1.7 times slower in the material than in vacuum.

  3. ((c))

    Light travels at the same speed in both.

  4. ((d))

    Light travels 1.7 times faster in the material than in vacuum.

Show Answer
Answer: ((a))

The speed difference cannot be determined from this value.

100

The difference between simple interest and compound interest, compounded annually, on a certain sum of money for 2 years at 11% per annum is ₹371. Find the sum. [Give your answer rounded off to the nearest integer.]

  1. ((a))

    ₹30,679

  2. ((b))

    ₹30,672

  3. ((c))

    ₹30,669

  4. ((d))

    ₹30,661

Show Answer
Answer: ((a))

₹30,679

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