RRB Group D 2018-20-9-2018-1 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-20-9-2018-1 RRB Questions

11.

What should be added to \( \frac{10}{11} \)so that the sum becomes \( \frac{11}{10} \)?

A.

\( \frac{1}{55} \)

B.

\( \frac{2}{11} \)

C.

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

D.

\( \frac{21}{110} \)

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ANSWER :

D.\( \frac{21}{110} \)

12.
A train covers a distance of 400 km. It covers half the distance at a speed of 85 km/h and the remaining half at a speed of 55 km/h. Find the average speed of the train for the whole journey.
A.
4 hours 15 minutes
B.
4 hours 35 minutes
C.
4 hours 25 minutes
D.
4 hours 10 minutes
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ANSWER :
D. 4 hours 10 minutes
13.
If a man’s only son’s wife is called daughter-in-law, then what will the daughter-in-law call that man’s wife?
A.
Mother-in-law
B.
Brother-in-law
C.
Maternal uncle
D.
Father-in-law
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ANSWER :
A. Mother-in-law
14.
The region of high density of particles in the medium during propagation of sound:
A.
Resonation
B.
Oscillation
C.
Rarefaction
D.
Compression
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ANSWER :
D. Compression
15.
From 11 September 2023 at 5:58 AM to 13 September 2024 at 5:49 AM, the total time is:
A.
367 days 9 minutes
B.
368 days 9 minutes
C.
367 days 23 hours 51 minutes
D.
366 days 23 hours 51 minutes
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ANSWER :
C. 367 days 23 hours 51 minutes
16.
Which of the following acids is not produced in our stomach?
A.
Acetic acid
B.
Hydrochloric acid
C.
Lactic acid
D.
Sulphuric acid
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ANSWER :
D. Sulphuric acid
17.
What will be the next term in the given sequence?
E2, I12, M72, __
A.
Q432
B.
Q434
C.
R432
D.
R434
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ANSWER :
A. Q432
18.
Find the greatest common divisor (GCD) of 306, 204, and 136
A.
17
B.
34
C.
15
D.
68
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ANSWER :
B. 34
19.
In which year did the construction of the Qutub Minar in Delhi begin under the rule of Qutub-ud-din Aibak?
A.
1208
B.
1207
C.
1206
D.
1205
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ANSWER :
C. 1206
20.
In triangle ABC, if ∠A is a right angle, then which side will be used as the base to draw the altitude from vertex A?
A.
AB
B.
CA
C.
Centre (O )
D.
BC
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ANSWER :
D. BC