RRB Group D 2022-30-8-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-30-8-2022-1 RRB Questions

41.

Which of the following can be expressed in the form of a standard quadratic equation?

A.

(2x − 1)³ = x² − 3x + 2

B.

\(\sqrt{2x^{2}+3x-4}\)− 2x + 5 = 0

C.

(x + 1)(x + 2) = x² − 16

D.

(2x + 3)² + 4x − 5 = (2x + 1)(2x − 3)

😑 View Answer Rough Work Error
ANSWER :

B. \(\sqrt{2x^{2}+3x-4}\)− 2x + 5 = 0

42.
Which of the following numbers will replace the question mark (?) in the given series?
6, 8, 15, 37, 104, ?
A.
308
B.
312
C.
310
D.
306
😑 View Answer Rough Work Error
ANSWER :
D. 306
43.

The value of \(\frac{\sin16^\circ}{\cos74^\circ}+\frac{\tan14^\circ}{\cot76^\circ}\) =is:

A.

2

B.

0

C.

3

D.

1

😑 View Answer Rough Work Error
ANSWER :

A. 2

44.
The valency of group 17 elements will be:
A.
1
B.
2
C.
8
D.
5
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ANSWER :
A. 1
45.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. All B's are G's.
II. Some G's are S's.
III. Some S's are A's.
Conclusions:
I. All B's are S's.
II. Some A's are B's.
A.
Only conclusion II follows
B.
Neither conclusion I nor II follows
C.
Both conclusions I and II follow
D.
Only conclusion I follows
😑 View Answer Rough Work Error
ANSWER :
B. Neither conclusion I nor II follows
46.
If the time in the mirror image of a 12-hour clock is 5:40, what is the actual time?
A.
2:10
B.
2:50
C.
6:20
D.
6:10
😑 View Answer Rough Work Error
ANSWER :
C. 6:20
47.
_______ is the first 'Made in India' Petascale Supercomputer installed at IIT Roorkee under the National Supercomputing Mission (NSM) in 2022.
A.
PARAM seva
B.
PARAM Siddhi-AI
C.
PARAM Ganga
D.
PARAM Pravega
😑 View Answer Rough Work Error
ANSWER :
C. PARAM Ganga
48.
Two train engines of same length are running in the same direction with speeds of 18 km/h and 36 km/h. If the faster engine crosses the slower one in 8 sec, what is the length of each train engine?
A.
25 m
B.
20 m
C.
30 m
D.
10 m
😑 View Answer Rough Work Error
ANSWER :
B. 20 m
49.

Which of the following is reducible to a quadratic equation?
A.) (m + 1) − \( \frac{1}{m+1} \) = 65
B.) x³ + 3x = 2x³ − 4x²
C.) (a + b)² = \( \frac{3}{b} \)
D.) x + (3x − 2) = \( \frac{1}{x^2} \) − 6

A.

A

B.

D

C.

B

D.

C

😑 View Answer Rough Work Error
ANSWER :

A. A

50.
In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic.
MON : PLQ
KIT : NFW
A.
LPG : OMK
B.
TAP : WYS
C.
PEN : SBQ
D.
PET : SIW
😑 View Answer Rough Work Error
ANSWER :
C. PEN : SBQ