RRB NTPC 2021-07-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-07-03-2021-1 RRB Questions

1.
The ratio of two numbers is 3 : 4 and their L.C.M is 180. What is the larger of the two numbers?
A.
15
B.
20
C.
60
D.
45
😑 View Answer Rough Work
ANSWER :
C. 60
2.
National Education Day is observed on 11 November to celebrate the birthday of which Indian leader?
A.
Maulana Abul Kalam Azad
B.
Sarvepalli Radhakrishnan
C.
Subhash Chandra Bose
D.
APJ Abdul Kalam
😑 View Answer Rough Work
ANSWER :
A. Maulana Abul Kalam Azad
3.

What is the compound interest on ₹2,800 for 1\( \frac{1}{2} \) years at 10% per annum compounded half-yearly?

A.

₹434.00

B.

₹441.35

C.

₹420.00

D.

₹436.75

😑 View Answer Rough Work
ANSWER :

B. ₹441.35

4.
If each element of a matrix is zero, then the matrix is:
A.
identity
B.
scalar
C.
square
D.
null
😑 View Answer Rough Work
ANSWER :
D. null
5.

If x = \(\frac{\sqrt{9}+1}{\sqrt{9}-1}\) and y = \(\frac{\sqrt{16}+1}{\sqrt{16}-1}\), then the value of (x² - y²) is:

A.

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

B.

\( \frac{6}{5} \)

C.

\( \frac{7}{6} \)

D.

\( \frac{9}{8} \)

😑 View Answer Rough Work
ANSWER :

A. \( \frac{11}{9} \)

6.
A political party can be recognised as a national party if it secures _____ of the valid votes in any four states in general or state assembly elections and in addition it wins 4 Lok Sabha seats from any state or states.
A.
9%
B.
6%
C.
8%
D.
7%
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ANSWER :
B. 6%
7.

Simplify the following.

1 + \(\frac{3}{7}\times\left[6+8\times(3-2)\right]+\left\{\left(\frac{1}{5}\div\frac{7}{25}\right)-\left(\frac{3}{7}+\frac{4}{14}\right)\right\}\)}
A.

7

B.

6

C.

4

D.

5

😑 View Answer Rough Work
ANSWER :

A. 7

8.
Select the number that can replace the question mark (?) in the following series.
2, 5, 11, 20, 32, 47, 65, ?
A.
77
B.
73
C.
86
D.
72
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ANSWER :
C. 86
9.
If a cube of 15 cm side is divided into smaller cubes of 3 cm side, then how many smaller cubes will be formed?
A.
27
B.
125
C.
64
D.
100
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ANSWER :
B. 125
10.
Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
A.
Asian Games
B.
ICC World Cup
C.
Commonwealth Games
D.
Olympic Games
😑 View Answer Rough Work
ANSWER :
B. ICC World Cup