RRB NTPC 2025-20-08-2025-2 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-20-08-2025-2 RRB Questions

41.
Section - Mathematics
The average weight (in kg) of a family of five members whose weights are 40 kg, 49 kg, 56 kg, 76 kg and 36 kg is:
A.
52.4
B.
53.4
C.
51.4
D.
50.4
😑 View Answer Rough Work
ANSWER :
C. 51.4
42.
The average of first 174 even numbers is
A.
175
B.
176
C.
175.5
D.
174.5
😑 View Answer Rough Work
ANSWER :
A. 175
43.

Pipe A can fill a tank in 13 hours, Pipe B in 27 hours, and Pipe C in 19 hours. What is the time (in hours) taken to fill the tank when all three pipes are opened together?

A.

5 \(\frac{3}{1111}\)

B.

4 \(\frac{3}{1111}\)

C.

6 \(\frac{3}{1111}\)

D.

7 \(\frac{3}{1111}\)

😑 View Answer Rough Work
ANSWER :

C. 6 \(\frac{3}{1111}\)

44.

Two cubes each of volume 125 cm³ are joined end to end. The total surface area of the resulting cuboid is:

A.

160 cm²

B.

80 cm²

C.

125 cm²

D.

250 cm²

😑 View Answer Rough Work
ANSWER :

D. 250 cm²

45.
A vendor claims to sell wheat at a loss of 65%, but he cheats by using weights that are 70% less than the stated weight. What is his actual profit percentage (round off to two decimal places)?
A.
12.93%
B.
19.59%
C.
11.35%
D.
16.67%
😑 View Answer Rough Work
ANSWER :
D. 16.67%
46.
A wholesaler offers a trade discount of 15% on a product priced at ₹8,000. The customer is also eligible for a scheme discount of 5% on the already discounted price. What is the final price the customer has to pay?
A.
₹6,440
B.
₹6,800
C.
₹6,460
D.
₹6,600
😑 View Answer Rough Work
ANSWER :
C. ₹6,460
47.
M and N started a business. M invested ₹69,000 more than N for 5 months, while N invested for 3 months. M's share is ₹720 more than that of N, out of a total profit of ₹2,160. Find the capital contributed by M.
A.
₹4,14,120
B.
₹4,14,000
C.
₹4,14,073
D.
₹4,14,100
😑 View Answer Rough Work
ANSWER :
B. ₹4,14,000
48.
Find the simple interest (in ₹) on ₹4,000 at 7.5% per annum rate of interest deposited on 3 February 2024 and withdrawn on 4 April 2024.
A.
₹48
B.
₹51
C.
₹50
D.
₹49
😑 View Answer Rough Work
ANSWER :
C. ₹50
49.
A man goes to Lucknow from Kanpur at a speed of 36 km/hr and returns to Kanpur at speed of 45 km/hr, through the same route. What is his average speed (in km/hr) of the entire journey?
A.
43
B.
45
C.
39
D.
40
😑 View Answer Rough Work
ANSWER :
D. 40
50.

By how much is 65% of 65 greater than \( \frac{3}{5} \) of 15?

A.

33.25

B.

31.25

C.

30.25

D.

27.25

😑 View Answer Rough Work
ANSWER :

A. 33.25