RRB Group D 2022-29-8-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-29-8-2022-1 RRB Questions

31.

The value of \( \frac{1}{4} \) + \( \frac{2}{5} \) ÷ [{2 \( \frac{1}{5} \) − 2} × 5] − \( \frac{2}{3} \) ×\( \frac{3}{5} \) is:

A.

\( \frac{3}{5} \)

B.

\( \frac{2}{3} \)

C.

\( \frac{1}{4} \)

D.

\( \frac{5}{6} \)

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ANSWER :

C. \( \frac{1}{4} \)

32.

Find the sum of the roots of the quadratic equation 7x² + 28x + 1 = 0.

A.

28

B.

-\( \frac{1}{7} \)

C.

1

D.

−4

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ANSWER :

D. −4

33.
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
(4, 50, 6)
(2, 18, 4)
A.
(15, 162, 3)
B.
(12, 60, 5)
C.
(5, 62, 6)
D.
(2, 125, 3)
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ANSWER :
A. (15, 162, 3)
34.
In order to correct the situation of excess demand, which of the following monetary measures can be applied?
(A) Reduce repo rate.
(B) Reduce SLR.
A.
Only A
B.
Neither A nor B
C.
Only B
D.
Both A and B
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ANSWER :
B. Neither A nor B
35.
Consider the below statements and identify the correct answer.
Statement-I: The chemical formula for washing soda is Na₂CO₃.
Statement-II: It is used for removing permanent hardness of water.
A.
Statement-II is true, and Statement-I is false.
B.
Statement-I is true, and Statement-II is false.
C.
Both the statements are true.
D.
Both the statements are false.
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ANSWER :
C. Both the statements are true.
36.
If a + b = 48 and ab = 56, then what is the value of a³ + b³?
A.
1,02,528
B.
1,20,825
C.
1,20,528
D.
1,02,258
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ANSWER :
A. 1,02,528
37.
The number of σ-bonds, π-bonds and the total bonds in benzene molecule, respectively, are:
A.
12, 3, 15
B.
6, 3, 15
C.
6, 6, 18
D.
6, 6, 12
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ANSWER :
A. 12, 3, 15
38.
Who has been awarded the Padma Shri in the year 2022 in the field of Science and Engineering?
A.
Subbanna Ayyappan
B.
Virender Gupta
C.
N.V. Ramana
D.
Dr. Belle Monappa Hegde
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ANSWER :
A. Subbanna Ayyappan
39.
Identify the double displacement reaction from the following.
A.
Fe(s) + CuSO₄(aq) → FeSO₄(aq) + Cu(s)
B.
Pb(s) + CuCl₂(aq) → PbCl₂(aq) + Cu(s)
C.
Zn(s) + CuSO₄(aq) → ZnSO₄(aq) + Cu(s)
D.
Na₂SO₄(aq) + BaCl₂(aq) → BaSO₄(s) + 2NaCl(aq)
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ANSWER :
D. Na₂SO₄(aq) + BaCl₂(aq) → BaSO₄(s) + 2NaCl(aq)
40.
Which of the following movements is also known as the 'Salt Satyagraha'?
A.
Non-Cooperation Movement
B.
Indian Self Rule Movement
C.
Civil Disobedience Movement
D.
Quit India Movement
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ANSWER :
C. Civil Disobedience Movement