RRB Group D 2022-24-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-24-8-2022-3 RRB Questions

41.
A ray of light is incident on an interface separating two media at an angle of incidence equal to 45°, for which the angle of refraction is 30°. The refractive index of the second medium with respect to the first is equal to:
A.
√3 / 2
B.
1 / √2
C.
1 / 2
D.
√2
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ANSWER :
D. √2
42.
If the mean of the following data is 4 , find the missing frequency.
A.
5
B.
4
C.
7
D.
3
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ANSWER :
D. 3
43.
The value of 156.025 + 251.216 − 52.156 is:
A.
326.327
B.
332.074
C.
355.085
D.
302.152
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ANSWER :
C. 355.085
44.
Six friends, Arun, Suresh, Rahul, Priyanka, Dilan and Ritu, took a test online. All of them scored different marks in the test. Suresh scored more than Priyanka but less than Arun. Ritu scored the least. Dilan scored less than Rahul. Arun scored more than Priyanka and Rahul. Who among the six scored the most?
A.
Rahul
B.
Priyanka
C.
Arun
D.
Suresh
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ANSWER :
C. Arun
45.
The manufacturing of refrigerators that do not release chlorofluorocarbons has been made mandatory throughout the world. How will this help to prevent ozone depletion?
A.
It will reduce the release of CFCs that react with ozone molecules.
B.
It will help convert oxygen molecules into ozone.
C.
CFCs will change into ozone molecules.
D.
It will reduce the production of CFCs from oxygen molecules.
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ANSWER :
A. It will reduce the release of CFCs that react with ozone molecules.
46.
The ‘Archaeological Survey of India’ is headquartered in which of the following cities?
A.
Kolkata
B.
Chandigarh
C.
Mumbai
D.
New Delhi
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ANSWER :
D. New Delhi
47.
How many tiers of administration are there in the Panchayati Raj Institutions (in states having a population more than 2 million)?
A.
3
B.
1
C.
6
D.
5
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ANSWER :
A. 3
48.
In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic.
STM : RUL
PJR : OKQ
A.
VEW : UDV
B.
MTL : LUM
C.
TCS : SDR
D.
BUP : AVQ
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ANSWER :
C. TCS : SDR
49.
In the __________ of the cell, pyruvate is formed from glucose.
A.
Cytoplasm
B.
Ribosome
C.
Mitochondria
D.
Nucleus
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ANSWER :
A. Cytoplasm
50.
The magnetic field lines inside a bar magnet are directed from:
A.
south pole to north pole
B.
centre to south pole
C.
centre to north pole
D.
north pole to south pole
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ANSWER :
A. south pole to north pole