RRB Group D 2022-17-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-17-8-2022-3 RRB Questions

21.
How many participants from India won the gold medal in the 14th International Olympiad on Astronomy and Astrophysics (IOAA) 2021?
A.
3
B.
5
C.
4
D.
6
😑 View Answer Rough Work Error
ANSWER :
C. 4
22.
The 'Save the Narmada' movement originated as a protest against raising the height of Sardar Sarovar Dam. Some disadvantages of building dams are mentioned below. Which one is an advantage?
A.
Lot of public money is used
B.
Many tribals and peasants are displaced
C.
Causes deforestation and loss of biodiversity
D.
Helpful in irrigation and electricity production
😑 View Answer Rough Work Error
ANSWER :
D. Helpful in irrigation and electricity production
23.
The HCF of two numbers is 7 and their LCM is 434. If one of the numbers is 14, find the other
A.
146
B.
217
C.
48
D.
52
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ANSWER :
B. 217
24.

The sum of the roots of the quadratic equation 4x 2 + 7x - 21 = 0 is:

A.

\(\frac{21}{4}\)

B.

\(\frac{7}{4}\)

C.

\(-\frac{7}{4}\)

D.

\(-\frac{21}{4}\)

😑 View Answer Rough Work Error
ANSWER :

C. \(-\frac{7}{4}\)

25.

What will come in place of A and B, respectively, in the given double displacement reaction?
A + B → AgBr + KNO3

A.

Ag and HNO3

B.

HBr and NaOH

C.

AgNO3 and KBr

D.

HBr and NaNO3

😑 View Answer Rough Work Error
ANSWER :

C. AgNO3 and KBr

26.
If 5 + x, 2x + 7, 6x + 9, and y are in proportion when x = 2, find the value of y.
A.
42
B.
33
C.
28
D.
45
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ANSWER :
B. 33
27.
Gosikhurd National Irrigation Project is related to which of the following states?
A.
Punjab
B.
West Bengal
C.
Uttar Pradesh
D.
Maharashtra
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ANSWER :
D. Maharashtra
28.
Soil degradation is one of the major environmental problems being faced these days. A wide range of techniques to conserve soil are mentioned below. Select the INCORRECT option.
A.
Crop rotation
B.
Terrace farming
C.
Planting trees
D.
Overgrazing
😑 View Answer Rough Work Error
ANSWER :
D. Overgrazing
29.
In which organism is sex not determined genetically?
A.
Butterfly
B.
Moth
C.
Sparrow
D.
Snail
😑 View Answer Rough Work Error
ANSWER :
D. Snail
30.
The age of a father six years ago was six times the then age of his daughter. Three years hence, the father will be thrice as old as his daughter. What is the present age of the daughter?
A.
12 years
B.
17 years
C.
15 years
D.
20 years
😑 View Answer Rough Work Error
ANSWER :
A. 12 years