RRB NTPC 2025-02-09-2025-3 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-02-09-2025-3 RRB Questions

41.

Section - Mathematics
The value of \( \frac{3}{4} \) + \(\left(\frac{1}{1+\frac{5}{9}}\right)\) - \( \frac{2}{3} \) is

A.

\( \frac{61}{84} \)

B.

\( \frac{60}{83} \)

C.

\( \frac{57}{77} \)

D.

\( \frac{63}{92} \)

😑 View Answer Rough Work
ANSWER :

A. \( \frac{61}{84} \)

42.
A shopkeeper lists the price of a fan at 34% above its cost price and offers a 25% discount on its list price. If he earns a profit of ₹177, then what is the list price (in ₹) of the fan?
A.
47,209
B.
47,148
C.
47,436
D.
47,300
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ANSWER :
C. 47,436
43.
Find the HCF of 120, 144 and 168.
A.
48
B.
12
C.
36
D.
24
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ANSWER :
D. 24
44.
A number when increased by 100% gives 2750. The number is:
A.
687.5
B.
2750
C.
1375
D.
4125
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ANSWER :
C. 1375
45.
Eight times the present age of P exceeds the present age of Q by 46 years. After 10 years, three times Q's age will be 12 years less than eight times P's age at that time. What is the present age (in years) of Q?
A.
49
B.
37
C.
42
D.
43
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ANSWER :
C. 42
46.
The number of prime numbers lying between 317 and 322, both included, is:
A.
4
B.
3
C.
2
D.
1
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ANSWER :
D. 1
47.
Ashok bought some pencils at the rate of ₹180 a dozen. He sold them for ₹16 each. His profit percentage is ______%.
A.
6.67
B.
10.67
C.
8.67
D.
4.67
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ANSWER :
A. 6.67
48.

Simplify the following.
1 × (5 × (3²)) ÷ 17 + 44 − 78

A.

-\( \frac{533}{17} \)

B.

-\( \frac{534}{17} \)

C.

-\( \frac{535}{17} \)

D.

-\( \frac{538}{17} \)

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ANSWER :

A. -\( \frac{533}{17} \)

49.
A shopkeeper marks a mobile phone for ₹15,000 but allows a discount of 10%. What amount does the customer actually pay?
A.
₹13,800
B.
₹13,500
C.
₹14,000
D.
₹14,500
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ANSWER :
B. ₹13,500
50.

Pipe A can fill a tank in 12 hours, pipe B can fill the same tank in 25 hours and pipe C can fill the same tank in 10 hours. The time taken by them to fill the same tank if they operate together is:

A.

9 \( \frac{32}{67} \) hours

B.

12 \( \frac{32}{67} \) hours

C.

4 \( \frac{32}{67} \) hours

D.

13 \( \frac{32}{67} \) hours

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ANSWER :

C. 4 \( \frac{32}{67} \) hours