RRB Group D 2022-25-8-2022-2 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-25-8-2022-2 RRB Questions

1.
Simplify:
(1.5a² − 2.5b²)(1.5a² + 2.5b²) + 6.25ab
A.
3.5a² - 6.25b² + 6.25ab
B.
2.25a⁴ - 6.25b⁴ + 6.25ab
C.
2.25a² - 6.25b²
D.
2.25a² - 6.5b² + 6.25ab
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ANSWER :
B. 2.25a⁴ - 6.25b⁴ + 6.25ab
2.
In Munnar, a travel company has three 4-seater cars and one 8-seater maxi cab. The rate per passenger for a round trip in a car is Rs 25, and in a maxi cab, it is Rs 20. The average occupancy of the seats is 100%. What is the average earning of each vehicle for one round trip?
A.
Rs 125
B.
Rs 127
C.
Rs 115
D.
Rs 126
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ANSWER :
C. Rs 115
3.
The Modern Periodic Table has ___ groups and ___ periods.
A.
18, 6
B.
18, 7
C.
17, 8
D.
18, 5
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ANSWER :
B. 18, 7
4.
Refer to the following letter and number series and answer the question:
(Left) G C 6 8 T 7 D 4 6 K 2 R Y 3 5 E S A 4 T Y 7 8 G T (Right)
If all the numbers are dropped from the series, how many letters are there in the English alphabetical order between the letter that is fourth from the right end and the letter that is sixth from the left end of the given series?
A.
One
B.
None
C.
Two
D.
Three
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ANSWER :
A. One
5.
Consider the below statements and identify the correct answer.
Statement I: The chemical formula for baking soda is CaSO₄ ½H₂O.
Statement II: Baking soda is used for making toys, materials for decoration, and for making surfaces smooth
A.
Both the statements are true.
B.
Statement II is true, and Statement I is false.
C.
Both the statements are false
D.
Statement I is true, and Statement II is false.
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ANSWER :
C. Both the statements are false
6.
An object, 3.0 cm in height, is placed at a distance of 20.0 cm in front of a convex mirror of focal length 6.0 cm on its principal axis. What is the nature and size of the image?
A.
Less than 3.0 cm, erect
B.
More than 3.0 cm, inverted
C.
More than 3.0 cm, erect
D.
Less than 3.0 cm, inverted
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ANSWER :
A. Less than 3.0 cm, erect
7.
Select the set in which the numbers are related in the same way as the numbers of the following set.
(NOTE: Operations should be performed on the whole numbers, without breaking them into digits.)
Given set: (5, 21, 2) and (7, 33, 4)
A.
(6, 40, 8)
B.
(10, 93, 3)
C.
(8, 51, 9)
D.
(11, 24, 3)
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ANSWER :
C. (8, 51, 9)
8.
Identify the INCORRECT statement from among the following:
A.
A freely suspended bar magnet points in the north-south direction.
B.
Outside a bar magnet, the magnetic field lines are directed from the north to the south pole.
C.
A number of field lines intersect at a given point inside a magnetic field.
D.
Repulsion is a sure test of magnetism.
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ANSWER :
C. A number of field lines intersect at a given point inside a magnetic field.
9.
Sujlam started from a point facing west, turned left and walked 10 m, then turned right and walked 12 m, then turned left and walked 11 m, and then turned left again at point P and walked 17 m. Before turning left at point P, he was facing which direction?
A.
West
B.
North
C.
South
D.
East
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ANSWER :
C. South
10.

The following table shows the break-up of the costs (in Rs ) incurred by a company in the production of five products (A, B, C, D, E). Study the table and answer the question.

Product A B C D E
Raw Material 400 200 700 300 400
Manufacturing Cost 80 40 150 80 100
Advertisement 180 70 200 170 200
Labour 200 180 400 140 250
Others 50 10 50 10 50
Total Cost 900 500 1500 700 1000

Which of the following products has the maximum manufacturing cost in comparison to its total cost of production?

A.

C

B.

B

C.

D

D.

A

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ANSWER :

C. D