← RRB-NTPC-UG-2025
RRB · Mathematics

Set 22 — 17 Jun 2026 (4:30 PM - 6:00 PM)

2025 · 30 questions · First 10 Solutions Free
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Q1 mcq
The present ages of two persons, X and Y, are in the ratio 4 : 5. Five years from now, the difference between X’s age and Y’s age will be 3 years. Find the sum of their present ages (in years).
a.
27 Correct Answer
b.
24
c.
26
d.
25

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Q2 mcq
The sides of a triangle are 51 cm, 35 cm, and 26 cm. What is the length (in cm) of its altitude corresponding to the side with a length of 35 cm?
a.
60
b.
53
c.
40
d.
24 Correct Answer

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Q3 mcq
A jacket with a marked price of ₹2,000 is sold for ₹1,530 after two successive discounts. If the first discount is 15%, what is the second discount percentage?
a.
5%
b.
8%
c.
12%
d.
10% Correct Answer

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Q4 mcq
The lengths of two rods are 4 cm and 6 cm. A third rod is made such that the three rods are in continued proportion. What will be the length of the third rod?
a.
12 cm
b.
9 cm Correct Answer
c.
8 cm
d.
10 cm

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Q5 mcq
The number of hours spent per day by 10 students watching educational videos during a week are as follows: 2, 3, 4, 2, 5, 3, 2, 4, 2, 3. Find the mode.
a.
3 hours
b.
5 hours
c.
2 hours Correct Answer
d.
4 hours

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Q6 mcq
At a health club, 42% of the members are women and 58% of the members are men. If the average age of the men is 57 years and the average age of the women is 42 years, what is the average age (in years) of all the members?
a.
57.6
b.
50.7 Correct Answer
c.
56.7
d.
44.9

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Q7 mcq
A shopkeeper buys sugar at ₹25 per kg. He marks it at ₹32 per kg and allows a 20% discount on the marked price. While selling, he uses an 800 g weight instead of 1 kg. There is no other loss or expense. What is the overall profit or loss percentage of the shopkeeper?
a.
30% profit
b.
30% loss
c.
28% profit Correct Answer
d.
28% Loss

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Q8 mcq
What is the smallest number that must be added to 4583 so that the resulting number is divisible by 9?
a.
5
b.
1
c.
7 Correct Answer
d.
3

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Q9 mcq
An amount of ₹6,900 is obtained after 3 years at simple interest at the rate of 5% interest per annum. What is the principal invested?
a.
₹5,800
b.
₹5,600
c.
₹6,000 Correct Answer
d.
₹6,400

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Q10 mcq
A solid cylinder of radius 6 cm and height 14 cm is melted and recast into a hollow cylinder of half the height of the original cylinder. If the outer radius of the hollow cylinder is twice its inner radius, find the outer radius (in cm) of the hollow cylinder.
a.
4√6 Correct Answer
b.
8√3
c.
8
d.
6√6

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Q11 mcq
Evaluate 20 3 + (-16) 3 + (-4) 3
a.
3661
b.
3868
c.
3840
d.
3630
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Q12 mcq
Subrata invested a certain amount of money at 10% per annum. After 2 years, he received ₹220.5 as compound interest, compounded annually. Find the corresponding simple interest (in ₹) for 2 years at the same rate.
a.
205
b.
195
c.
210
d.
200
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Q13 mcq
If the ratio of the number of boys to girls in a class is 5:7 and the ratio of girls to teachers is 14:1, what is the ratio of boys to teachers?
a.
7:2
b.
10:1
c.
7:1
d.
5:2
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Q14 mcq
Three numbers are in the ratio 10 : 13 : 11, and their LCM is 2860. Their HCF is:
a.
9
b.
4
c.
2
d.
3
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Q15 mcq
Article M is sold at a reduction of ₹3,000 from its original price, and Article N is sold at a reduction of ₹2,500 from its original price. If the original prices of both articles were ₹10,000, reduction in price of M is R1% and reduction in price of N is R2%, find the difference between R1 and R2.
a.
10
b.
5
c.
15
d.
20
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Q16 mcq
Inlet M fills a tank in 24 minutes and Inlet N fills it in 32 minutes. Outlet O drains the tank. When all three operate simultaneously, the tank fills in 32 minutes. How long does O take to drain a full tank alone?
a.
14 minutes
b.
44 minutes
c.
34 minutes
d.
24 minutes
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Q17 mcq
Nisha noted the number 76488 in her register. What is the remainder when it is divided by 8?
a.
2
b.
0
c.
1
d.
3
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Q18 mcq
Two trains of equal lengths cross a stationary pole in 12 seconds and 16 seconds, respectively. How long will it take for the trains to cross each other when running in opposite directions? (Write your answer rounded off to two decimal places.)
a.
14.53 seconds
b.
15.43 seconds
c.
12.61 seconds
d.
13.71 seconds
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Q19 mcq
Mike, Connor and Floyd can finish a certain piece of work in 8, 22 and 33 days, respectively. All three of them started the work together. Mike left the work after 4 days and Connor left just 2 days before the work was completed. Find the total number of days taken for the work to be completed.
a.
7.8
b.
18.9
c.
3.8
d.
7.1
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Q20 mcq
A shopkeeper offers the following schemes on toys of the same marked price. (A) Successive discounts of 38% and 39% on any number of toys bought. (B) Successive discounts of 42%, 38% and 20% on any number of toys bought. (C) 11% discount on the first 2 toys and 42% discount on each toy thereon. (D) 9 toys free of cost on buying 10 toys. A customer wants to buy 10 toys. Which of the above schemes is the least beneficial to her?
a.
A
b.
B
c.
D
d.
C
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Q21 mcq
A trader sells an article at a profit of 16%. If he had sold it for ₹80 more, his profit would have been 48%. Find the number of articles sold, given that the total cost price is ₹8,000.
a.
38
b.
35
c.
25
d.
32
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Q22 mcq
The ratio between the speeds of two trains is 5:8. If the second train covers 300 km in 3 hours, then find the speed of the first train.
a.
62.5 km/h
b.
65.2 km/h
c.
63.8 km/h
d.
72.5 km/h
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Q23 mcq
Three ropes of lengths 54 m, 72 m and 90 m are to be cut into smaller pieces of equal lengths such that no rope is left over. What is the maximum possible length of each smaller piece?
a.
12 m
b.
24 m
c.
18 m
d.
36 m
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Q24 mcq
If twice the smaller of two numbers is added to three times the larger number, the result is 55. If the larger is increased by 5, it becomes twice the smaller. What is the larger number?
a.
10.75
b.
12.75
c.
10.5
d.
12.5
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Q25 mcq
a.
50
b.
25
c.
65
d.
45
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Q26 mcq
a.
A.
b.
B.
c.
C.
d.
D.
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Q27 mcq
A person spends 70% of his income. If his income increases by 20% and his savings.
a.
A.
b.
B.
c.
C.
d.
D.
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Q28 mcq
A delivery drone is hovering at a fixed point in the air. From two points on angles of elevation of the drone are 30° and 60°. If the horizontal distance drone is hovering.
a.
40.752 m
b.
42. 562 m
c.
41.652 m
d.
40.655 m his expenditure increases by 25%, then find the percentage change in the ground in a straight line on opposite sides of the drone, the between the two points is 94 m, find the vertical height at which the
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Q29 mcq
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Q30 mcq
The diagonals of a rhombus are in the ratio 5 : 12 and its area is 240 cm².
a.
A.
b.
B.
c.
C.
d.
D. GA
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