RRB NTPC 2021-27-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-01-2021-2 RRB Questions

41.
Find the values of p and q when px³ + x² - 2x - q is exactly divisible by (x - 1) and (x + 1).
A.
p = 2 and q = 1
B.
p = 1 and q = 0
C.
p = 1 and q = 2
D.
p = 0 and q = 1
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ANSWER :
A. p = 2 and q = 1
42.
What does the abbreviation SAARC stand for?
A.
South Australian Asian Regional Cooperation
B.
South Asian African Railway Corporation
C.
South American African Regional Conference
D.
South Asian Association for Regional Cooperation
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ANSWER :
D. South Asian Association for Regional Cooperation
43.
Which is the last satellite launched by ISRO in year 2020?
A.
CMS-01
B.
Astrosat
C.
Gaganyaan
D.
Chandrayaan – 2
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ANSWER :
A. CMS-01
44.
In which year was the Export-Import (EXIM) Bank of India established?
A.
1998
B.
1982
C.
2004
D.
1984
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ANSWER :
B. 1982
45.

Simplify the expression \(\sqrt{81}+\sqrt{0.81}+\sqrt{0.0081}\)\(\sqrt{10000}\).

A.

9.99

B.

99.9

C.

999

D.

0.999

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ANSWER :

C. 999

46.
Which of the following is NOT a volcano?
A.
Mont Blanc
B.
Mount Vesuvius
C.
Cotopaxi
D.
Mount Etna
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ANSWER :
A. Mont Blanc
47.
The HCF and LCM of two numbers are 44 and 264, respectively. If the first number is divided by 2, then the quotient is 44. What is the second number?
A.
134
B.
132
C.
130
D.
136
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ANSWER :
B. 132
48.
Which Indian born Scottish inventor pioneered the development of the cash machine also called Automated Teller Machine (ATM)?
A.
James Goodfellow
B.
Luther Wetzel
C.
John Shepherd-Barron
D.
Donald Harrier
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ANSWER :
C. John Shepherd-Barron
49.

Find the HCF of \( \frac{54}{9} \), 3 \( \frac{9}{17} \) and \( \frac{36}{51} \).

A.

\( \frac{5}{17} \)

B.

\( \frac{6}{17} \)

C.

\( \frac{7}{17} \)

D.

\( \frac{8}{17} \)

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ANSWER :

B. \( \frac{6}{17} \)

50.
A boy was set to multiply 495 by 36, but reading one of the digits in the question erroneously, he obtained 16740 as his answer. Which digit did he read erroneously?
A.
9
B.
8
C.
2
D.
7
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ANSWER :
A. 9