← RRB-NTPC-UG-2025
RRB · Mathematics

Set 24 — 18 Jun 2026 (12:45 PM - 2:15 PM)

2025 · 30 questions · First 10 Solutions Free
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Q1 mcq
A four-digit number 3P2Q is divisible by both 2 and 3. Find the smallest value of P + Q.
a.
2
b.
7
c.
4
d.
1 Correct Answer

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Q2 mcq
A man bought an article and sold it at a profit of 15%. If he had bought it at 25% less cost price and sold it for ₹294 less than the original selling price, he would have made a profit of 30%. Find the cost price of the article.
a.
₹1,680 Correct Answer
b.
₹1,590
c.
₹1,630
d.
₹1,540

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Q3 mcq
The sum of two positive numbers is 32 and their product is 220. The positive difference between them is:
a.
12 Correct Answer
b.
17
c.
16
d.
11

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Q4 mcq
An article is marked at ₹3,000. The shopkeeper offers successive discounts of 10% and 20%. What is the final selling price of the article?
a.
₹2,160 Correct Answer
b.
₹2,100
c.
₹2,200
d.
₹2,250

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Q5 mcq
Find the mode for the following distribution. CL 40-45 45-50 50-55 55-60 60-65 65-70 70-75 75-80 Frequency 4 4 13 5 6 5 2 1
a.
51.34
b.
54.60
c.
48.57
d.
52.65 Correct Answer

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Q6 mcq
A person standing on level ground looks up at the top of a vertical tower. The angle of elevation formed at the observer’s eye is 60°. If the tower is 18 m high, determine the horizontal distance (in meters) between the person and the base of the tower.
a.
5√3
b.
4√3
c.
7√3
d.
6√3 Correct Answer

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Q7 mcq
A specialized printing machine can print 2400 pages in 1 hour and 20 minutes. At this steady rate, how many pages can the machine print in 45 minutes?
a.
1350 Correct Answer
b.
1450
c.
1250
d.
1500

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Q8 mcq
Two banks, A and B, offered loans at 3.5% and 6.5% per annum, respectively. Ashish borrowed an amount of ₹3,40,000 from each bank. Find the positive difference between the amounts of simple interest (in ₹) paid to the two banks by Ashish after 2 years.
a.
20,400 Correct Answer
b.
21,900
c.
21,400
d.
19,900

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Q9 mcq
Pipes A and B can fill a tank in 12 hours and 15 hours, respectively. A third pipe C can empty the full tank in 20 hours. If A and B are opened together for 2 hours and then C is also opened, what is the total time taken to fill the tank?
a.
10 hours
b.
9.5 hours
c.
9 hours Correct Answer
d.
8 hours

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Q10 mcq
A car travels 560 km in 9.5 hours, partly at 40 km/h and partly at 160 km/h. Find the distance travelled at 160 km/h.
a.
240 km Correct Answer
b.
216 km
c.
230 km
d.
260 km

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Q11 mcq
The price of an article is increased by 20%. In the next step, it is decreased by x% of the new price. Finally, the price is increased by 10% of the original price. If the final price becomes exactly equal to the original price, the value of x is:
a.
25
b.
12.25
c.
22.75
d.
17.5
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Q12 mcq
The cost of 5 chairs and 3 tables is ₹12,500, while the cost of 3 chairs and 5 tables is ₹15,500. Find the cost of 2 chairs and 2 tables.
a.
₹7,000
b.
₹7,500
c.
₹6,500
d.
₹6,000
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Q13 mcq
Three numbers are in the ratio 9 : 7 : 5, and their LCM is 2205. Their HCF is:8625
a.
34
b.
24
c.
7
d.
29
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Q14 mcq
A bus travels 90 km at 45 km/h, 120 km at 60 km/h, and 150 km at 75 km/h. What is the average speed of the bus for the entire journey?
a.
60 km/h
b.
66 km/h
c.
70 km/h
d.
55 km/h
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Q15 mcq
Arun sold an article for ₹1,786.40 and incurred a loss of 12%. At what price should he sell the article to earn a profit of 14%?
a.
₹2,268.70
b.
₹2,485.70
c.
₹2,314.20
d.
₹2,112.20
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Q16 mcq
Two taps can fill a cistern in 4 hours and 8 hours, respectively. A third tap can empty it in 8 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?
a.
2
b.
1
c.
4
d.
3
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Q17 mcq
The combined present age of P and Q is 46 years. 2 years ago from now, P was twice as old as Q. What is the present age of P?
a.
30 years
b.
28 years
c.
16 years
d.
20 years
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Q18 mcq
A shopkeeper offers the following schemes on toys of the same marked price. (A) Successive discounts of 24% and 33% on any number of toys bought. (B) Successive discounts of 39%, 37% and 23% on any number of toys bought. (C) 24% discount on the first 2 toys and 12% discount on each toy thereon. (D) 2 toys free of cost on buying 5 toys. A customer wants to buy 5 toys. Which of the above schemes is the least beneficial to her?
a.
B
b.
D
c.
C
d.
A
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Q19 mcq
The sides of two square gardens are 16 m and 25 m, respectively. A third square garden is to be constructed such that the length of its side is the mean proportional between the sides of the given two gardens. What will be the length of the side of the new square garden?
a.
19 m
b.
18 m
c.
21 m
d.
20 m
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Q20 mcq
What sum (in ₹) will earn a simple interest of ₹1,440 in 2 years at 16% per year rate of interest?
a.
4,500
b.
460.8
c.
2,250
d.
9,000
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Q21 mcq
Three positive numbers are in proportion such that the ratio of the first number to the second number is the same as the ratio of the second number to the third number. If the first number is 16 and the second number is 24, find the value of the third number.
a.
48
b.
32
c.
64
d.
36
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Q22 mcq
If the mean of the following data is 40, find the missing frequency. x 10 20 30 40 50 60 frequency 2 3 1 4 f 4
a.
1
b.
4
c.
7
d.
5
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Q23 mcq
The price of an article is first increased by 20% and then decreased by 20%. If the original price of the article is ₹500, what is the net percentage change in the price?
a.
2% increase
b.
4% decrease
c.
5% decrease
d.
No change
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Q24 mcq
If the mean proportional between x and 36 is 12, find x.
a.
7
b.
6
c.
5
d.
4
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Q25 mcq
Find the sum of the surface areas of three spheres of radii 2 cm, 3 cm and
a.
616 cm2
b.
620 cm2
c.
608 cm2
d.
612 cm2
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Q26 mcq
a.
A.
b.
B.
c.
C.
d.
D.
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Q27 mcq
Sixteen identical solid cubes, each of side 2 cm, are melted and recast into breadth. Find the volume of the cuboid.
a.
A.
b.
B.
c.
C.
d.
D.
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Q28 mcq
Simplify:
a.
220
b.
222
c.
224
d.
226 6 cm. a cuboid whose length is twice its breadth and height equals its
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Q29 mcq
a.
A.
b.
B.
c.
C.
d.
D.
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Q30 mcq
a.
A.
b.
B.
c.
C.
d.
D. GA
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