RRB NTPC 2025-19-08-2025-1 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-19-08-2025-1 RRB Questions

41.
Section - Mathematics
Two successive discounts of 65% and 24% are equivalent to a single discount of _____.
A.
77%
B.
74.5%
C.
76.6%
D.
73.4%
😑 View Answer Rough Work
ANSWER :
D. 73.4%
42.
If 38% of first number is equal to two-sevenths of second number, what is the ratio of first number to the second number?
A.
101 : 129
B.
103 : 132
C.
100 : 133
D.
96 : 131
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ANSWER :
C. 100 : 133
43.

The selling price of 50 books is equal to the cost price of 39 books. Find the loss or gain percentage.

A.

\( \frac{100}{11} \)% gain

B.

\( \frac{100}{11} \) % loss

C.

22% loss

D.

22% gain

😑 View Answer Rough Work
ANSWER :

C. 22% loss

44.
The sum of the squares of two consecutive odd natural numbers is 34. The sum of the numbers is:
A.
8
B.
28
C.
24
D.
18
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ANSWER :
A. 8
45.
Sapna invested ₹22,800 on simple interest, partly at 14% per annum and partly at 7% per annum. If she earns equal interests from the two investments after 6 years, then find the sum invested at 14% per annum (in ₹).
A.
7,600
B.
7,599
C.
7,597
D.
7,603
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ANSWER :
A. 7,600
46.
A shopkeeper purchased an item listed at ₹1,600 after receiving two successive discounts of 35% and 5% from the wholesaler. The shopkeeper then changed the list price so as to gain 25% after allowing 5% discount. For how much did he list the item?
A.
₹1,388
B.
₹1,200
C.
₹1,235
D.
₹1,300
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ANSWER :
D. ₹1,300
47.
In an election between two candidates 87% of the registered voters cast their vote and 5% of the votes polled were found invalid. The winning candidate got 52% of the valid votes and won the election by a margin of 1653 votes. How many voters were registered?
A.
50001
B.
50003
C.
50000
D.
49998
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ANSWER :
C. 50000
48.

Find the curved surface area of a sphere whose radius is 2.8 cm. (Use π = \( \frac{22}{7} \))

A.

98.56 cm²

B.

97.52 cm²

C.

95.32 cm²

D.

91.28 cm²

😑 View Answer Rough Work
ANSWER :

A. 98.56 cm²

49.
Ritik and Sanjay together invested ₹62,400 in a business. At the end of the year, out of a total profit of ₹15,600, Sanjay's share was ₹1,900. What was the difference between their investments?
A.
₹46,800
B.
₹47,200
C.
₹47,000
D.
₹46,200
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ANSWER :
B. ₹47,200
50.
A number when increased by 100% gives 2740. The number is:
A.
4110
B.
1370
C.
685
D.
2740
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ANSWER :
B. 1370