RRB NTPC 2025-03-09-2025-1 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-03-09-2025-1 RRB Questions

41.
Section - Mathematics
The H.C.F. and the L.C.M. of two numbers are 4 and 208 respectively. If one of the numbers is 52, find the other one.
A.
45
B.
55
C.
16
D.
8
😑 View Answer Rough Work
ANSWER :
C. 16
42.
Find the perimeter of a rectangular plot whose length is 68 m and area is 1904 m².
A.
192 m
B.
165 m
C.
186 m
D.
174 m
😑 View Answer Rough Work
ANSWER :
A. 192 m
43.
Find the simple interest (in ₹) on ₹3,000 as a sum borrowed at 8% per year rate of interest for 6 years.
A.
1,440
B.
1,480
C.
1,380
D.
1,400
😑 View Answer Rough Work
ANSWER :
A. 1,440
44.

The selling price of 25 books is equal to the cost price of 37 books. Find the loss or gain percentage.

A.

48% loss

B.

\( \frac{100}{12} \) % loss

C.

\( \frac{100}{12} \) % gain

D.

48% gain

😑 View Answer Rough Work
ANSWER :

D. 48% gain

45.
A number when increased by 80% gives 2880. The number is:
A.
1600
B.
800
C.
3200
D.
4800
😑 View Answer Rough Work
ANSWER :
A. 1600
46.
The sum of five numbers is 655. The average of the first two numbers is 80 and the third number is 105. Find the average of the remaining two numbers.
A.
185
B.
196
C.
186
D.
195
😑 View Answer Rough Work
ANSWER :
D. 195
47.
David bought some sharpeners at the rate of ₹150 a dozen. He sold them for ₹43 each. His profit percentage is ______%.
A.
242
B.
244
C.
248
D.
246
😑 View Answer Rough Work
ANSWER :
B. 244
48.
Simplify: x(3x - 8) + 3(x² - 5) + 11
A.
-6x² - 8x - 4
B.
6x² - 8x + 4
C.
-6x² - 8x + 4
D.
6x² - 8x - 4
😑 View Answer Rough Work
ANSWER :
D. 6x² - 8x - 4
49.
Two times the present age of P exceeds the present age of Q by 15 years. After 9 years, twice Q's age will be 14 years less than twice P's age at that time. What is the present age (in years) of Q?
A.
3
B.
8
C.
1
D.
6
😑 View Answer Rough Work
ANSWER :
C. 1
50.
Which of the following ratios is the greatest?
A.
48 : 90
B.
46 : 51
C.
22 : 54
D.
42 : 68
😑 View Answer Rough Work
ANSWER :
B. 46 : 51