RRB Group D 2022-17-8-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-17-8-2022-1 RRB Questions

31.
Which of the following statements is/are correct for a current-carrying solenoid?
(i) It can be used to magnetize a piece of soft iron.
(ii) It acts like a bar magnet.
(iii) The field lines are concentric circles
A.
Both (i) and (iii)
B.
Only (i)
C.
Both (i) and (ii)
D.
Only (ii)
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ANSWER :
C. Both (i) and (ii)
32.
V Anantha Nageswaran was appointed as the new Chief Economic Advisor (CEA) of India, thus replacing:
A.
Kaushik Basu
B.
Arvind Subramanian
C.
Krishnamurthy Subramanian
D.
Raghuram Rajan
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ANSWER :
C. Krishnamurthy Subramanian
33.

If x + y + z = 11 and xy + yz + zx = 42, then the value of x2 + y2+ z2 is:

A.

41

B.

37

C.

39

D.

43

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ANSWER :

B. 37

34.
E, F, G, H, I, J, and K are sitting in a straight row, facing north. H is second to the right of G. F and K are immediate neighbors. Both F and E are immediate neighbors of I. H and E are immediate neighbors. K is at the extreme right end of the row. I is at the immediate left of H. Who is at the immediate left of I?
A.
H
B.
G
C.
F
D.
E
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ANSWER :
B. G
35.
Raman started from a point and walked a distance of 200 m towards the north. He then turned left and walked 300 m, turned right and walked 400 m, and then turned right again and walked 300 m. How far is Raman from the starting point?
(All turns are 90° turns only)
A.
400 m
B.
600 m
C.
200 m
D.
700 m
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ANSWER :
B. 600 m
36.
Which of the following numbers will replace the question mark (?) in the given series:
55, 104, 140, 165, ?
A.
174
B.
192
C.
181
D.
185
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ANSWER :
C. 181
37.
What important function is performed by SER (Smooth Endoplasmic Reticulum) in the liver cells of vertebrates?
A.
Synthesis of proteins
B.
Synthesis of lipids
C.
Detoxification of drugs and poisons
D.
Synthesis of complex sugars
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ANSWER :
C. Detoxification of drugs and poisons
38.

How many water and carbon dioxide molecules take part, respectively, in the process of photosynthesis as indicated by the following unbalanced equation?
H2O(l) + CO2(g) → C6H12O6(aq) + O2(g) = H2O(l)
(In the presence of sunlight and chlorophyll).

A.

3 and 6

B.

6 and 6

C.

4 and 5

D.

6 and 3

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ANSWER :

B. 6 and 6

39.

Express sin θ in terms of cot θ, where θ is an acute angle.

A.

\(\frac{1}{\sqrt{1+\cot^{2}\theta}}\)

B.

\(\sqrt{1+\cot^{2}\theta}\)

C.

\(\frac{1}{1+\cot^{2}\theta}\)

D.

1 + cot2θ

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ANSWER :

A. \(\frac{1}{\sqrt{1+\cot^{2}\theta}}\)

40.
Which of the following options is the closest approximate value which will come in place of question mark (?) in the following equation:
2519 ÷ 3 + 441 - 109 = ?
A.
1162
B.
1172
C.
100
D.
105
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ANSWER :
B. 1172