RRB Group D 2022-5-9-2022-2 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-5-9-2022-2 RRB Questions

21.
All the veins in the human circulatory system carry blood towards the heart. What is the difference between a pulmonary vein and other veins?
A.
Pulmonary vein carries oxygenated blood
B.
Pulmonary vein has a small lumen
C.
Pulmonary vein has no valves
D.
Blood flows with pressure in the pulmonary vein
😑 View Answer Rough Work
ANSWER :
A. Pulmonary vein carries oxygenated blood
22.
What will be the value of elasticity of demand (eₑ) if the demand curve has a shape of rectangular hyperbola?
A.
|eₑ| = 1
B.
|eₑ| = Above 0 but less than 1
C.
|eₑ| = 0
D.
|eₑ| = Always remains above 1
😑 View Answer Rough Work
ANSWER :
B. |eₑ| = Above 0 but less than 1
23.
If P, F and C represent the pole, principal focus and centre of curvature, respectively, of a concave mirror, then PC is equal to:
A.
(¼) PF
B.
(½) PF
C.
2PF
D.
4PF
😑 View Answer Rough Work
ANSWER :
C. 2PF
24.
The smallest four-digit number that is exactly divisible by each of 24, 40 and 56 is:
A.
1080
B.
1680
C.
1260
D.
1170
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ANSWER :
B. 1680
25.
Two resistors, A of 10 Ω and B of 20 Ω, are connected in series with a battery of 6 V. If V₁ and V₂ are the potential drops across A and B and I₁ and I₂ are the currents through them, respectively, then (V₁:V₂) and (I₁:I₂) are respectively
A.
(½) and (½)
B.
2 and (½)
C.
(½) and 1
D.
2 and 1
😑 View Answer Rough Work
ANSWER :
C. (½) and 1
26.
The method of balancing a chemical equation is called:
A.
hit and trial method
B.
molar method
C.
equivalent method
D.
chemical method
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ANSWER :
A. hit and trial method
27.
If
@ means ‘multiplication’,
% means ‘subtraction’,
$ means ‘addition’, and,
& means ‘division’,
then 28 & 7 @ 8 % 6 $ 4 = ?
A.
32
B.
30
C.
31
D.
33
😑 View Answer Rough Work
ANSWER :
B. 30
28.
Starting from his house, Bheema walks 5 m towards the west, then turns left and walks 50 m, and then turns right and walks 30 m to reach his school. In which direction is the school from his house? (All turns are 90-degree turns only)
A.
North-east
B.
South-east
C.
South-west
D.
North
😑 View Answer Rough Work
ANSWER :
C. South-west
29.
Article 343(1) of the Constitution of India declares Hindi in _____ script as the official language of India.
A.
Kharosthi
B.
Indus
C.
Brahmi
D.
Devanagari
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ANSWER :
D. Devanagari
30.
A, B, C, D, E, F, G and H are sitting around a square table facing the centre of the table. Some of them are sitting at the corners, while some are sitting at the middle of the sides. D sits third to the left of E. D sits at one of the corners. H does not sit at any of the corners. G sits second to the right of H. H is not an immediate neighbour of D. Only three people sit between B and A. B is an immediate neighbour of F. B does not sit at any of the middle of the sides.
Who sits third to the left of G?
A.
C
B.
H
C.
B
D.
D
😑 View Answer Rough Work
ANSWER :
A. C