RRB NTPC 2025-07-08-2025-3 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-07-08-2025-3 RRB Questions

41.
Section - Mathematics
Train A leaves station M at 7:50 a.m. and reaches station N at 2:50 p.m. on the same day. Train B leaves station N at 9:50 a.m. and reaches station M at 2:50 p.m. on the same day. Find the time when Trains A and B meet.
A.
10:47 p.m.
B.
11:55 a.m.
C.
9:47 p.m.
D.
5:00 a.m.
😑 View Answer Rough Work
ANSWER :
B. 11:55 a.m.
42.
What smallest number should be added to 4519 so that the sum is completely divisible by 30?
A.
6
B.
10
C.
13
D.
11
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ANSWER :
D. 11
43.
The product of two positive numbers is 2880. If the first number is five times of the second number, then the sum of the two numbers is:
A.
137
B.
150
C.
164
D.
144
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ANSWER :
D. 144
44.
The population of a district is 351000, out of which 164000 are males. 14% of the population is literate. If 14% males are literate, then what percentage of females are literate?
A.
12%
B.
14%
C.
16%
D.
17%
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ANSWER :
B. 14%
45.
Two numbers have HCF 6 and LCM 36. If the difference between the two numbers is 30, what are the two numbers?
A.
12 and 42
B.
24 and 54
C.
6 and 36
D.
18 and 48
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ANSWER :
C. 6 and 36
46.
Sapna invested ₹20,900 on simple interest, partly at 10% per annum and partly at 9% per annum. If she earns equal interests from the two investments after 5 years, then find the sum invested at 10% per annum (in ₹).
A.
9,902
B.
9,903
C.
9,900
D.
9,899
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ANSWER :
C. 9,900
47.

Simplify the following:
3((\( \frac{4}{3} \))x² − 30x + 18) − 4(x² + 8x − 14)

A.

122x − 110

B.

−122x + 110

C.

122x + 110

D.

−122x − 110

😑 View Answer Rough Work
ANSWER :

B. −122x + 110

48.
Which of the following ratios is the greatest?
A.
40 : 51
B.
44 : 74
C.
42 : 70
D.
22 : 76
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ANSWER :
A. 40 : 51
49.

Sakshi bought a toy for ₹456, decorated it at a cost of ₹20 and sold the toy for ₹612. Find the loss or profit percentage.

A.

\( \frac{210}{7} \) % loss

B.

\( \frac{200}{7} \) % profit

C.

200 % profit

D.

\( \frac{200}{7} \) % loss

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ANSWER :

B. \( \frac{200}{7} \) % profit

50.

If the interest earned during the 2nd year on a certain sum is ₹6,786, and the rate of interest is 20% per annum compounded annually, then the sum is:

A.

₹28,275

B.

₹28,035

C.

₹27,795

D.

₹28,905

😑 View Answer Rough Work
ANSWER :

A. ₹28,275