RRB NTPC 2025-28-08-2025-1 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-28-08-2025-1 RRB Questions

41.
Section - Mathematics
A company earns a profit (in ₹) that is distributed among the company's three partners in the ratio of 12 : 3 : 14. If the difference between the smallest and the largest shares is ₹61,699, the total profit (in ₹) of the company is:
A.
1,62,661
B.
1,62,566
C.
1,62,581
D.
1,62,673
😑 View Answer Rough Work
ANSWER :
A. 1,62,661
42.
₹21,300 were divided among A, B and C, such that 2 times the share of A = 4 times the share of B = 7 times the share of C. Find the share of A.
A.
₹11,868
B.
₹11,919
C.
₹12,099
D.
₹11,928
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ANSWER :
D. ₹11,928
43.
A number, when increased by 60%, gives 3640. The number is:
A.
4550
B.
1137.5
C.
6825
D.
2275
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ANSWER :
D. 2275
44.
A shopkeeper offers the following four discount schemes to his customers for the purchase of articles in his shop.
(i) Buy 5 and get 3 free
(ii) Buy 6 and get 3 free
(iii) Buy 20 and get 5 free
(iv) Buy 8 and get 6 free
Which scheme is the most beneficial to the customers?
A.
(ii)
B.
(i)
C.
(iv)
D.
(iii)
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ANSWER :
C. (iv)
45.
The sum of the squares of two consecutive even natural numbers is 452. The sum of the numbers is:
A.
48
B.
30
C.
44
D.
26
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ANSWER :
B. 30
46.
Evaluate: (-9) - (-60) ÷ (-12) + (-2) × 9
A.
-34
B.
-32
C.
-31
D.
-35
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ANSWER :
B. -32
47.
The LCM of the numbers 8.6 and 0.12 is:
A.
2.58
B.
258
C.
25.8
D.
0.258
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ANSWER :
C. 25.8
48.
Sapna invested ₹20,000 on simple interest, partly at 12% per annum and partly at 13% per annum. If she earns equal interests from the two investments after 7 years, then find the sum invested at 12% per annum (in ₹).
A.
10,398
B.
10,403
C.
10,400
D.
10,399
😑 View Answer Rough Work
ANSWER :
C. 10,400
49.
The diameter of a sphere is 12 cm. Find its volume.
A.
144π cm³
B.
288π cm³
C.
576π cm³
D.
192π cm³
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ANSWER :
B. 288π cm³
50.

Simplify: 2((\( \frac{7}{2} \))x² − 28x + 17) − 7(x² + 6x − 11)

A.

−98x − 111

B.

98x − 111

C.

−98x + 111

D.

98x + 111

😑 View Answer Rough Work
ANSWER :

C. −98x + 111