RRB Group D 2022-14-9-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-14-9-2022-1 RRB Questions

21.
Find the median of 4, 6, 6, 8, 8, 8, 10, 12.
A.
8
B.
10
C.
12
D.
6
😑 View Answer Rough Work
ANSWER :
A. 8
22.
Which of the following numbers will replace the question mark (?) in the given series?
12, 14, 18, 26, 42, ?
A.
74
B.
78
C.
72
D.
76
😑 View Answer Rough Work
ANSWER :
A. 74
23.
Which compound is used for faster cooking?
A.
CaOCl₂
B.
Na₂CO₃
C.
NaHCO₃
D.
NaOH
😑 View Answer Rough Work
ANSWER :
C. NaHCO₃
24.
If cosθ = x/sinθ, then the value of sin⁶θ + cos⁶θ = ________.
A.
1 − 3x²
B.
0
C.
3x² − 1
D.
1
😑 View Answer Rough Work
ANSWER :
A. 1 − 3x²
25.
What is the value of k if:
A.
1
B.
-4
C.
-1
D.
2
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ANSWER :
B. -4
26.
Which of the following animals have two-chambered heart?
A.
Birds
B.
Mammals
C.
Reptiles
D.
Fishes
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ANSWER :
D. Fishes
27.
If each digit of the number 72514368 is subtracted from 9, how many even digits will be there in the newly formed number?
A.
3
B.
5
C.
6
D.
4
😑 View Answer Rough Work
ANSWER :
D. 4
28.
________ are responsible for the determination of sex.
A.
Pleiotropic genes
B.
Autosomes
C.
Allosomes
D.
Germ cells
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ANSWER :
C. Allosomes
29.
The given pie chart shows the sales of a company over five years. Study the chart and answer the question.
Total sale in five years = Rs 50,00,000
Sale = expenditure + profit
Profit % = (profit / expenditure) × 100%
If profit of the company in 2005 was 25%, then find the expenditure in 2005?
A.
62500
B.
8,00,000
C.
7,20,000
D.
7,50,000
😑 View Answer Rough Work
ANSWER :
B. 8,00,000
30.
If an object is placed at 20 cm from a convex mirror of focal length 30 cm, the image will be formed at ______.
A.
+6 cm
B.
–16 cm
C.
+12 cm
D.
–12 cm
😑 View Answer Rough Work
ANSWER :
C. +12 cm