RRB NTPC 2021-27-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-01-2021-1 RRB Questions

31.
Who headed the Commission appointed in April 2007 to suggest measures for improvement in centre-state relations in India?
A.
M.M.Punchhi
B.
K. N. Raj
C.
G. S. Padhi
D.
R. S. Lodha
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ANSWER :
A. M.M.Punchhi
32.
Which country's President made an underwater speech to call for stronger action to protect oceans in 2019?
A.
Seychelles
B.
Maldives
C.
Brunei
D.
Italy
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ANSWER :
A. Seychelles
33.

The sum of two numbers is 25 and the product is 35. The sum of their reciprocals is:

A.

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

B.

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

C.

\( \frac{4}{7} \)

D.

\( \frac{5}{7} \)

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ANSWER :

D. \( \frac{5}{7} \)

34.
In Computer terminology, ALU stands for:
A.
Arithmetic Logic Unit
B.
Active Load Unit
C.
Air Lock Unit
D.
Application Logical Unit
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ANSWER :
A. Arithmetic Logic Unit
35.
Select the letter-cluster from among the given options that can replace the question mark (?) in the given series.
ACE, HJL, OQS, ?
A.
VWX
B.
UWY
C.
ZXV
D.
VXZ
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ANSWER :
D. VXZ
36.
The 'right to property' is a:
A.
No right at all
B.
Fundamental right
C.
Legal right
D.
Spiritual right
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ANSWER :
C. Legal right
37.
The mean daily profit by a shopkeeper in a month of 30 days was ₹450. If the mean profit for the first 20 days was ₹300, then the mean profit for the last 10 days will be:
A.
₹750
B.
₹250
C.
₹500
D.
₹260
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ANSWER :
A. ₹750
38.
Solve the following.
64.916 + 1.456 - 25.326 = ?
A.
41.46
B.
40.46
C.
41.046
D.
40.046
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ANSWER :
C. 41.046
39.

If sinA = \( \frac{a}{b} \), then find the value of cosA.

A.

\(\frac{\sqrt{b^2-a^2}}{b}\)

B.

\(\frac{b}{a}\)

C.

\(\frac{b}{a}\)

D.

\(\frac{b}{a^2+b^2}\)

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ANSWER :

A. \(\frac{\sqrt{b^2-a^2}}{b}\)

40.

The value of \(\frac{0.064+0.027}{0.16-0.12+0.09}\) is:

A.

0.09

B.

0.16

C.

0.7

D.

0.9

😑 View Answer Rough Work
ANSWER :

C. 0.7