RRB Group D 2022-23-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-23-8-2022-3 RRB Questions

11.
A tank is filled in 4 hours by three pipes A, B, and C. Pipe C is twice as fast as pipe B, and pipe B is twice as fast as pipe A. How much time will pipe A take to fill the tank?
A.
25 hours
B.
28 hours
C.
20 hours
D.
26 hours
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ANSWER :
B. 28 hours
12.
"Dare2eraD TB" by the Department of Biotechnology, Ministry of Science & Technology,was launched on the occasion of World TB Day by who among the following?
A.
Dr. Bharati Pravin Pawar
B.
Dr. VK Paul
C.
Dr. Jitendra Singh
D.
Dr. Mansukh Mandaviya
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ANSWER :
C. Dr. Jitendra Singh
13.
What is the least number added to 2488 so that it is completely divisible by 3, 4, 5, and 6?
A.
32
B.
34
C.
42
D.
28
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ANSWER :
A. 32
14.
Which of the following statement is CORRECT about the Law of Demand with regard to subject of Economics?
a) The law of demand is a fundamental principle of economics that states that at a higher price consumer will demand a lower quantity of a good.
b) Demand is derived from the law of diminishing marginal utility it is based on the fact that consumers use economic goods to satisfy their most urgent needs first.
c) The shape and magnitude of demand shifts in response to changes in price.
A.
Only c
B.
Only b
C.
Both a and b
D.
Only a
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ANSWER :
C. Both a and b
15.

The figure below shows refraction of a ray of light AB through a triangular glass prism. Here, ∠ EOD represents:

A.

angle of incidence

B.

angle of emergence

C.

angle of refraction

D.

angle of deviation

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ANSWER :

D. angle of deviation

16.
The following question is based on the given seven, 3-digit numbers.
(Left) 347, 486, 627, 113, 721, 418, 779 (Right)
(For example, 456: 6 = digit in unit's place, 5 = digit in ten's place, 4 = digit in hundred's place)
NOTE - All operations to be done from left to right.
If 2 is added to the digit in hundred's place of each number given above, in how many numbers will be the modified digit in hundred's place be exactly divisible by the digit appearing in the ten's place?
A.
4
B.
2
C.
1
D.
3
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ANSWER :
D. 3
17.

Which of the following is an example of a thermal decomposition reaction?

A.

2Hâ‚‚O → 2Hâ‚‚ + Oâ‚‚

B.

2NaCl (molten) → 2Na + Clâ‚‚

C.

ZnCO₃ → ZnO + COâ‚‚

D.

2AgCl → 2Ag + Clâ‚‚

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ANSWER :

C. ZnCO₃ → ZnO + COâ‚‚

18.
What is the greatest number, by which when 8954, 9806 and 11297 are divided, theremainder in each case is the same?
A.
125
B.
213
C.
230
D.
222
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ANSWER :
B. 213
19.

Six persons, L, M, N, O, P and Q, have cooking classes in different months of the sameyear, viz. February, March, June, August, September and December.P has the class immediately before Q. Only M has the class before O. L has the class immediately after N and before Q. Which of the following is correct?

A.

Q has the class in February.

B.

M has the class in March.

C.

P has the class in September

D.

L has the class in June.

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ANSWER :

C. P has the class in September

20.
Four friends W, X, Y and Z are sitting at the corners of a square table facing towards the centre. W and Z are not at the opposite corners, but W is to the immediate right of Y.
Who among the following is sitting opposite to X?
A.
W
B.
X
C.
Z
D.
Y
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ANSWER :
A. W