RRB NTPC 2025-14-08-2025-1 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-14-08-2025-1 RRB Questions

41.
Section - Mathematics
An article marked at ₹500 is sold for ₹425. What is the percentage discount?
A.
13%
B.
15%
C.
14%
D.
12%
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ANSWER :
B. 15%
42.

Pipe A can fill a tank in 15 hours, pipe B can fill the same tank in 27 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.

8 \( \frac{10}{11} \) hours

B.

9 \( \frac{10}{11} \) hours

C.

4 \( \frac{10}{11} \) hours

D.

12 \( \frac{10}{11} \) hours

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ANSWER :

C. 4 \( \frac{10}{11} \) hours

43.
A vendor claims to sell wheat at a loss of 20%, but he cheats by using weights that are 35% less than the stated weight. What is his actual profit percentage (round off to two decimal places)?
A.
21.33%
B.
24.74%
C.
23.08%
D.
24.72%
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ANSWER :
C. 23.08%
44.
Find the area of a triangle whose sides are 9 cm, 12 cm, and 15 cm.
A.
60 cm²
B.
54 cm²
C.
42 cm²
D.
48 cm²
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ANSWER :
B. 54 cm²
45.

Simplify: 2((\( \frac{6}{2} \))x² − 22x + 15) − 6(x² + 5x − 18).

A.

−74x − 138

B.

74x + 138

C.

74x − 138

D.

−74x + 138

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ANSWER :

D. −74x + 138

46.
37 light bulbs were purchased for ₹37, and 19 light bulbs broke in transit. The trader sold the remaining light bulbs at ₹3.90 each. Find his profit.
A.
₹23.60
B.
₹33.20
C.
₹33.90
D.
₹39.80
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ANSWER :
B. ₹33.20
47.
Three times the present age of P exceeds the present age of Q by 23 years. After 7 years, six times Q's age will be 30 years less than six times P's age at that time. What is the present age (in years) of Q?
A.
8
B.
3
C.
11
D.
4
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ANSWER :
D. 4
48.
In △ABC, BD ⟂ AC at D and ∠DBC = 44°. E is a point on BC such that ∠CAE = 23°. What is the measure of ∠AEB?
A.
56°
B.
69°
C.
77°
D.
64°
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ANSWER :
B. 69°
49.
The average price of three items of furniture is ₹5,300. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item (in ₹) is:
A.
5,300
B.
3,180
C.
1,060
D.
7,420
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ANSWER :
B. 3,180
50.
The number 541096943 is divisible by which of the following?
A.
97
B.
87
C.
103
D.
107
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ANSWER :
A. 97