RRB NTPC 2021-04-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-04-02-2021-1 RRB Questions

21.
The laws of inheritance were discovered by:
A.
Charles Darwin
B.
Archibald Garrod
C.
Hugo de Vries
D.
Gregor Mendel
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ANSWER :
D. Gregor Mendel
22.
A television manufacturer earns a profit of 10% by selling one TV set for ₹24,750. If the production cost is increased by 15%, then what should be the new selling price of the TV set so as to gain a profit of 15%?
A.
₹27,756.25
B.
₹29,756.25
C.
₹28,756.25
D.
₹26,756.25
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ANSWER :
B. ₹29,756.25
23.
Who out of the following led the Khilafat movement?
A.
Muhammad Ali Jinnah
B.
Bakht Khan
C.
Zakir Hussain
D.
Shaukat Ali
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ANSWER :
D. Shaukat Ali
24.
Which of the following is different from the rest?
Venus, Mars, Iapetus, Jupiter
A.
Iapetus
B.
Venus
C.
Jupiter
D.
Mars
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ANSWER :
A. Iapetus
25.
Arrange the following in a meaningful order.
A. Pupa B. Imago C. Larva D. Egg
A.
D → C → B → A
B.
C → D → A → B
C.
D → C → A → B
D.
A → C → D → B
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ANSWER :
C. D → C → A → B
26.
What is the name of the first dedicated Indian astronomy mission that is aimed at studying celestial sources in X-ray, optical and UV spectral bands simultaneously?
A.
OpticoSat
B.
AstroSat
C.
XtroSat
D.
AstroMat
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ANSWER :
B. AstroSat
27.
What is the correct full form of MPEG from below?
A.
Micro Pictures Expert Group
B.
Many Pictures Expert Group
C.
Moving Picture Experts Group
D.
Motion Pictures Expert Group
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ANSWER :
C. Moving Picture Experts Group
28.
Find the difference between median and mode of the following data:
2, 3, 5, 7, 2, 3, 3, 5, 7 and 9.
A.
−2
B.
2
C.
−1
D.
1
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ANSWER :
D. 1
29.
Pointing to a lady, Raman said, "The son of her only brother is the brother of my wife". How is the lady related to Raman?
A.
Wife's mother
B.
Wife's father's sister
C.
Wife's brother's wife
D.
Father's sister
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ANSWER :
B. Wife's father's sister
30.
Sohan decreased his expenses by 25%. Later, he decreased them further by 10%. By what percentage did his expenses decrease altogether?
A.
32.5%
B.
34.5%
C.
33.5%
D.
31.5%
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ANSWER :
A. 32.5%