RRB Group D 2022-7-10-2022-2 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-7-10-2022-2 RRB Questions

41.
Which of the following is/are the correct conclusion(s) from Oersted’s experiment?
(a) A magnetic compass needle placed along the side of a current carrying conductor deflects.
(b) A current carrying conductor will produce magnetic field around it.
(c) The direction of deflection of the compass needle placed along the side of a current carrying conductor does not change with reversal in the direction of current.
A.
Only (a) and (b) are correct
B.
Only (c) and (a) are correct
C.
Only (b) and (c) are correct
D.
(a), (b) and (c) are correct
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ANSWER :
A. Only (a) and (b) are correct
42.
An electric lamp of 40 Ξ©, a toaster of resistance 200 Ξ© and a water filter of resistance 400 Ξ© are connected in parallel to a 220 V source. Suppose an electric iron when connected to a 220 V source draws the same current as that of the three appliances in the above, then the resistance and current flowing through the iron are:
A.
40.77 Ξ© and 5.15 A, respectively
B.
30.77 Ξ© and 7.15 A, respectively
C.
50.77 Ξ© and 4.15 A, respectively
D.
20.77 Ξ© and 9.15 A, respectively
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ANSWER :
B. 30.77 Ξ© and 7.15 A, respectively
43.

The product of two consecutive odd numbers is 1155. Represent the situation in the form of a quadratic equation, if x is smaller of the two numbers.

A.

x2−2x−1155=0

B.

x2+2x+1155=0

C.

x2+x+1155=0

D.

x2+2x−1155=0

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ANSWER :

D. x2+2x−1155=0

44.
Consider the given statement and decide which of the given assumptions is/are implicit in the statement:
Statement:
A new holiday-special train has been introduced from Chennai to Patna to cater to the increased demand from passengers during the festival season. This will run on all Wednesdays in the months of September and October.
Assumptions:
I. More people are expected to travel from Chennai to Patna in September and October.
II. The existing trains from Chennai to Patna have been cancelled.
A.
Both assumptions I and II are implicit
B.
Only assumption II is implicit
C.
Neither assumption I nor II is implicit
D.
Only assumption I is implicit
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ANSWER :
D. Only assumption I is implicit
45.

If cotθ − cosecθ = \( \frac{-1}{3} \), find \(\frac{1+\cos\theta}{\sin\theta}\).

A.

4

B.

1

C.

2

D.

3

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ANSWER :

D. 3

46.
Let n be the least number which when divided by 15, 18, 20 and 27, the remainder in each case is 3 and n is divisible by 53. What is the sum of the digits of n?
A.
10
B.
12
C.
9
D.
13
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ANSWER :
B. 12
47.
Which of the following statements is true?
A.
The resistance of a material is directly proportional to its length.
B.
The resistance of a material is directly proportional to the area of cross section.
C.
The resistance of a material is directly proportional to the radius of the wire.
D.
The resistance of a material is inversely proportional to the length of the wire.
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ANSWER :
A. The resistance of a material is directly proportional to its length.
48.
In which year was the National Policy on Electronics and Software Products enacted, with the goal of propelling India’s rise as a Software Product Nation and collaborating with the IT/ITES sector?
A.
2022
B.
2019
C.
2020
D.
2021
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ANSWER :
B. 2019
49.

Study the given arrangement of letters and answer the question that follows:
(LEFT) N C A H L M W U V G L I Q S P O Z (RIGHT)
How many consonants are there in this arrangement which are immediately preceded by a vowel?

A.

six

B.

two

C.

five

D.

four

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ANSWER :

D. four

50.
The coal that we use now comes from plants that lived around ______ years ago.
A.
1,000
B.
10,000,000
C.
10,000
D.
100,000
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ANSWER :
B. 10,000,000