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RRB · General Science

22/12/2025 (9:00 AM - 10:30 AM) — General Science

2025 · 40 questions · First 10 Solutions Free
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Q1 mcq
The defect of hypermetropia can be corrected by using which of the following?
a.
Cylindrical lens
b.
Concave lens
c.
Prism
d.
Convex lens Correct Answer

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Q2 mcq
Select the correct option regarding the following two statements labelled Assertion (A) and Reason (R). Assertion (A): If a substance loses oxygen during a reaction, it is said to be reduced. Reason (R): Reduction is defined as the gain of hydrogen or loss of oxygen.
a.
A is false, but R is true.
b.
Both A and R are true, and R is the correct explanation of A. Correct Answer
c.
A is true, but R is false.
d.
Both A and R are true, and R is not the correct explanation of A.

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Q3 mcq
One volt (1 V), the SI unit of potential difference, is defined when ___________.
a.
1 joule of energy is dissipated in 1 second
b.
1 milliampere of current flows through 1 Ohm of resistance
c.
1 joule of work is done to move a charge of 1 coulomb Correct Answer
d.
1 coulomb of charge flows in 1 second

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Q4 mcq
Which of the following statements about sound propagation is correct?
a.
Sound travels faster in gases than in solids.
b.
Sound can travel in vacuum.
c.
Sound requires a medium for propagation. Correct Answer
d.
Sound travels in the form of transverse waves in air.

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Q5 mcq
Which of the following statements correctly defines the atomic number of an element?
a.
The total number of protons and neutrons in the nucleus
b.
The number of neutrons in the nucleus of an atom
c.
The number of protons in the nucleus of an atom Correct Answer
d.
The number of electrons in the outermost shell of an atom Test Date 22/12/2025 Test Time 9:00 AM - 10:30 AM Subject RRB Level 01 Stage I * Note Correct Answer will carry 1 mark per Question. Incorrect Answer will carry 1/3 Negative mark per Question. 1. Options shown in green color with a tick icon are correct. 2. Chosen option on the right of the question indicates the option selected by the candidate.

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Q14 mcq
When fertilisation takes place inside the female body, it is called _______.
a.
external fertilisation
b.
test-tube babies
c.
in vitro fertilisation
d.
internal fertilisation Correct Answer

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Q15 mcq
Which hormone triggers sexual maturation in boys?
a.
Estrogen
b.
Testosterone Correct Answer
c.
Progesterone
d.
Oxytocin

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Q16 mcq
A wire of a given material has length L and cross-sectional area A, with resistance R. If the wire is stretched to twice its length while keeping the volume constant, what will be its new resistance?
a.
ZERO
b.
4R Correct Answer
c.
R/2
d.
2R

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Q17 mcq
If a constant force (F) of 20 N moves an object through a displacement (d) of 5 m in the same direction, then what will be the work (W) done?
a.
25 J
b.
100 J Correct Answer
c.
200 J
d.
50 J

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Q18 mcq
Which of the following plant tissues is made up of cells that are dead at maturity?
a.
Aerenchyma
b.
Parenchyma
c.
Collenchyma
d.
Sclerenchyma Correct Answer

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Q19 mcq
Based on the accepted values for the masses of the Earth and the Moon and the distance between them, what is the calculated gravitational force exerted by the Earth on the Moon?
a.
9.8 N
b.
6.67 x 10-11 N
c.
2.02 x 1020 N
d.
7.4 x 1022 N
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Q20 mcq
What happens to metabolic activities in the absence of thyroxin?
a.
They slow down or become imbalanced
b.
They only affect digestion
c.
They speed up uncontrollably
d.
They stop completely
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Q21 mcq
What happens during the oxidation of ethanol?
a.
It is converted into ethene.
b.
It is converted into methane.
c.
It forms an ester.
d.
It is converted into ethanoic acid.
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Q28 mcq
The amount on a sum of ₹4,200 at 20% per annum compound interest, compounded annually, in 2 years will be:
a.
₹5,348
b.
₹6,048
c.
₹6,219
d.
₹6,497
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Q29 mcq
A car covers three different segments of a journey: it travels 40 km at a speed of 60 km/hr, then 50 km at a speed of 50 km/hr and finally 60 km at a speed of 40 km/hr. What is the car's average speed (rounded off to one decimal place) for the entire trip?
a.
47.4 km/hr
b.
48.3 km/hr
c.
52.9 km/hr
d.
50.3 km/hr
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Q30 mcq
Simplify: (0.7 × 72 ÷ 14 + 6.25 − 8.34 × 0.15 + 5.95)
a.
14.549
b.
21.549
c.
12.526
d.
14.823
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Q31 mcq
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Q32 mcq
A sphere of radius 14 cm is cut along three diametrical planes to form 6 equal parts. What would be the total surface area (in cm 2 ) of all the new pieces so obtained?
a.
7392
b.
4312
c.
6160
d.
5544
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Q33 mcq
A scheme like ‘Buy 6, Get 2 Free’ on the same kind of articles with the same MRP attracts a _____ % discount. 890
a.
25
b.
26
c.
33.33
d.
34.33
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Q34 mcq
a.
315%
b.
310%
c.
600%
d.
300%
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Q35 mcq
The cost price of a toy car is 80% of its selling price. If the selling price is ₹100, what is the profit percentage?
a.
100%
b.
80%
c.
25%
d.
20%
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Q36 mcq
The average age of 31 students of a class is 30 years. If the age of the teacher is also included, the average age of the whole group becomes 31 years. The age (in years) of the teacher is:
a.
62
b.
64
c.
65
d.
63
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Q37 mcq
What is the number of ordered pairs (x, y) where x, y are positive integers such that the eight digit number 74x8935y is divisible by 11?
a.
6
b.
9
c.
10
d.
7
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Q38 mcq
A cash payment that will settle a bill for 625 pairs of boots at ₹94 per pair of boots with successive discounts of 20% and 7% with a further discount of 20% on cash payment is:
a.
₹34,972
b.
₹34,963
c.
₹34,968
d.
₹34,992
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Q39 mcq
The sum of the ages of a daughter and her mother is 56 years. After 8 years, the age of the mother will be three times that of the daughter. Find the daughter's present age (in years).
a.
12
b.
10
c.
16
d.
18
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Q40 mcq
The monthly incomes of two friends David and Ashish, are in the ratio 5 : 8, respectively, and each of them saves ₹81,000 every month. If the ratio of their monthly expenditure is 2 : 4, find the monthly income of David (in ₹).
a.
2,83,500
b.
2,01,500
c.
2,03,500
d.
2,02,500
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Q41 mcq
₹4,445 is divided among A, B and C in such a way that if ₹65, ₹39 and ₹77 are deducted from their respective shares, they have money in the ratio 18:3:20. Find the difference between B’s and C’s original shares.
a.
₹1,868
b.
₹1,918
c.
₹1,806
d.
₹1,718
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Q42 mcq
The median of the following observations 46, 64, 87, 41, 58, 77, 35, 90, 55, 92, 33 is 58. If 92 is replaced by 99 and 41 by 43 in the given data, then the new median is:
a.
56.5
b.
55
c.
57.5
d.
58
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Q43 mcq
In quadrilateral PQRS, the bisectors of ∠ R and ∠ S meet at the point T (inside the quadrilateral) and ∠ STR = 22.5°. If the ratio of ∠ P to ∠ Q is 4 : 5, then what is the difference between the measures of ∠ Q and ∠ P?
a.
2°
b.
1°
c.
6°
d.
5°
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Q44 mcq
If each edge of a cube is increased by 10%, then the percentage increase in its surface area is:
a.
21%
b.
22%
c.
25%
d.
20%
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Q45 mcq
From a point 30 m away from the base of a tree, the angle of elevation of the top of the tree is 60°. Find the height of the tree (take √3 = 1.73).
a.
52.5 m
b.
51.9 m
c.
54 m
d.
51 m
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Q46 mcq
A basket contains 42 fruits, which are either apples or oranges. If there are 6 more apples than oranges, how many oranges are there?
a.
18
b.
24
c.
20
d.
22
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Q47 mcq
The ratio of the number of girls and boys participating in the sports of a school is 2 : 5. If the number of girls is 200, determine the number of boys participating in the sports.
a.
530
b.
475
c.
520
d.
500
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Q48 mcq
If an X-m long train running at a speed of 63 m/s crosses a railway platform in 28 sec, find the value of X, if the length of the railway platform is 213 m. 3704
a.
1549
b.
1551
c.
1558
d.
1545
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Q49 mcq
What is the number of natural numbers less than or equal to 1000 and divisible by 5 or 7?
a.
314
b.
328
c.
342
d.
370
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Q50 mcq
A, B and C can do a piece of work in 3, 12 and 12 days, respectively. How long (in days) will they take to do twice the same work, working together?
a.
12
b.
8
c.
5
d.
4
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Q51 mcq
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 letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
a.
QUN
b.
INE
c.
OSL
d.
UYR
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Q52 mcq
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 pencils are erasers. Some erasers are crayons. Conclusions: (I) Some pencils are crayons. (II) Some erasers are pencils.
a.
Only conclusion (II) follows.
b.
Neither conclusion (I) nor (II) follows.
c.
Both conclusions (I) and (II) follow.
d.
Only conclusion (I) follows.
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Q53 mcq
QK 13 is related to TO 17 in a certain way. In the same way, IC 24 is related to LG 28. To which of the given options is SM 35 related, following the same logic?
a.
VO 39
b.
VQ 39
c.
VO 38
d.
UR 38
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Q54 mcq
If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation? 88 B 3 D 615 A 15 C 152 = ?
a.
360
b.
325
c.
340
d.
375
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