RRB Group D 2022-26-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-26-8-2022-3 RRB Questions

11.
Long chain compounds formed by silicon are:
A.
Less polarizable
B.
Very reactive
C.
Very stable
D.
More ionic
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ANSWER :
B. Very reactive
12.

A, B, C, D, E, and F live on six different floors of the same building. The lowermost floor is numbered 1, and the topmost is numbered 6. E lives on the floor immediately below F's floor. D lives on the 2nd floor. C lives on the floor immediately below A's floor. F does not live on the 5th floor. On which floor does B live?

A.

3rd

B.

1st

C.

5th

D.

6th

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ANSWER :

B. 1st

13.
What approximate value should come in place of the question mark in the following equation?
99.01 ÷ 10.93 + 6.987 × 16.01 = ?
A.
133
B.
145
C.
121
D.
129
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ANSWER :
C. 121
14.
Which of the following groups of three elements each constitutes Dobereiner’s triads?
A.
Ca, Ba, F
B.
Li, Mg, Al
C.
Cl, H, Si
D.
Cl, Br, I
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ANSWER :
D. Cl, Br, I
15.
Bhuvan’s salary was first decreased by 16% and subsequently increased by 25%. Find the net percentage change in his salary.
A.
10% decrease
B.
5% decrease
C.
5% increase
D.
10% increase
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ANSWER :
C. 5% increase
16.
Who was the first Deputy Chairman of the Planning Commission of India?
A.
Vallabhbhai Jhaverbhai Patel
B.
Gulzarilal Nanda
C.
K.C. Neogy
D.
Jawaharlal Nehru
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ANSWER :
B. Gulzarilal Nanda
17.
Which of the following institutions launched the microfinance movement in India on a pilot basis in 1992?
A.
IIFCL
B.
NABARD
C.
SIDBI
D.
IFCI
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ANSWER :
B. NABARD
18.
Which of the following numbers will replace the question mark (?) in the given series?
7, 18, 34, 72, 142, ?
A.
208
B.
282
C.
228
D.
288
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ANSWER :
D. 288
19.
An object is placed in front of a concave mirror of focal length 12 cm, at a distance of 6 cm. Its image is formed at a distance of:
A.
24 cm
B.
48 cm
C.
8 cm
D.
12 cm
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ANSWER :
A. 24 cm
20.

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for the first half of the day daily, then in how many days will A and B together complete the work?

A.

15 days

B.

\( \frac{22}{3} \) days

C.

\( \frac{43}{2} \) days

D.

\( \frac{40}{3} \) days

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ANSWER :

D.\( \frac{40}{3} \) days