RRB NTPC 2021-22-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-22-01-2021-2 RRB Questions

41.
Which of the following causes kala-azar?
A.
Protozoa
B.
Virus
C.
Bacteria
D.
Fungi
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ANSWER :
A. Protozoa
42.
Out of the four letter-clusters listed, three are alike in some manner and one is different. Select the odd one.
A.
SUWY
B.
MOQS
C.
BDFH
D.
JLMP
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ANSWER :
D. JLMP
43.
A can complete a task in 20 days while B can complete it in 30 days. In how many days can A and B working together complete it?
A.
4 days
B.
6 days
C.
8 days
D.
12 days
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ANSWER :
D. 12 days
44.
If the sides of a triangle are 5 cm, 4 cm and 3 cm, what will be its area?
A.
12 cm²
B.
6 cm²
C.
3 cm²
D.
2 cm²
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ANSWER :
B. 6 cm²
45.

If \(\frac{\cos A}{1-\sin A}+\frac{\cos A}{1+\sin A}\) = 4, then what will be the value of A?

A.

90°

B.

60°

C.

30°

D.

45°

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ANSWER :

B. 60°

46.
Which of the following are present only in plant cells?
A.
Nucleus
B.
Golgi apparatus
C.
Plastids
D.
Mitochondrion
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ANSWER :
C. Plastids
47.

The value of (\(\frac{\sin29^\circ}{\cos61^\circ}\) - 4(cos²31° + cos²59°) + (\(\frac{1}{\sqrt{3}}\))tan27° sin60° tan63°) is:

A.

-\( \frac{5}{2} \)

B.

10

C.

\( \frac{1}{2} \)

D.

-5

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ANSWER :

A. -\( \frac{5}{2} \)

48.
PETA India started in the year ______.
A.
2000
B.
2003
C.
2002
D.
2001
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ANSWER :
A. 2000
49.
Which of the following is an animal hormone?
A.
Auxin
B.
Gibberellins
C.
Insulin
D.
Cytokinins
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ANSWER :
C. Insulin
50.

What will be 41 \( \frac{2}{3} \) % of ₹84?

A.

₹40

B.

₹45

C.

₹25

D.

₹35

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ANSWER :

D. ₹35