RRB Group D 2022-5-9-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-5-9-2022-1 RRB Questions

31.
During fermentation in yeast, pyruvate is converted into which of the following products?
A.
Water and carbon dioxide
B.
Glucose and carbon dioxide
C.
Ethanol and carbon dioxide
D.
Lactic acid and carbon dioxide
ANSWER :
C. Ethanol and carbon dioxide
32.
Find the surface area of a sphere whose diameter is equal to 14 cm.
A.
524 cm²
B.
1232 cm²
C.
616 cm²
D.
1048 cm²
ANSWER :
C. 616 cm²
33.
If the armature of an AC generator is rotated faster, then:
A.
there is no change in induced current
B.
induced potential difference decreases
C.
induced current decreases
D.
induced potential difference increases
ANSWER :
D. induced potential difference increases
34.
Starting from point P, Sheetal walks 50 m towards the west. She takes a right turn and walks 20 m. Then she takes a left turn and walks 47 m. She takes a left turn again and walks 75 m. Again, she takes a left turn and walks 47 m. She takes a left turn again and walks 20 m. Then she takes a right turn and walks 50 m. Finally, she takes a left turn and walks 10 m to reach point Q. How far and in which direction is point P from point Q? (All turns are 90-degree turns only)
A.
35 m due north
B.
25 m due north
C.
25 m due south
D.
15 m due north
ANSWER :
B. 25 m due north
35.
The volume of a cuboid whose length, breadth, and height are 3 cm, 4 cm, and 5 cm, respectively, is:
A.
60 cm³
B.
90 cm³
C.
80 cm³
D.
70 cm³
ANSWER :
A. 60 cm³
36.
‘e-RUPI’ is a ______ based pre-paid system to promote cashless transactions, launched by the National Payments Corporation of India (NPCI) in 2021.
A.
credit card
B.
mobile wallet
C.
debit card
D.
voucher
ANSWER :
D. voucher
37.

Find the value of \(\left(\frac{64}{25}\right)^{-\frac{3}{2}}\times\left(\frac{2}{5}\right)^4\div\sqrt[5]{(32)^{-3}}\) is:

A.

\(\frac{8}{25}\)

B.

\(\frac{1}{20}\)

C.

\(\frac{1}{5}\)

D.

\(\frac{1}{10}\)

ANSWER :

B. \(\frac{1}{20}\)

38.
Consider the below statements and identify the correct answer.
Statement I: Döbereiner made the first observations on platinum as a catalyst and discovered similar triads of elements which led to the development of the periodic table of elements.
Statement II: JW Döbereiner was the professor of chemistry and pharmacy at the University of Jena.
A.
Both the statements are false.
B.
Both the statements are true.
C.
Only statement I is true.
D.
Only statement II is true.
ANSWER :
B. Both the statements are true.
39.
Consider the following statements about a fuse wire:
(a) It is connected in series with a device.
(b) It is made of a material of low melting point.
Which of the above statements is/are correct?
A.
Both (a) and (b)
B.
Neither (a) nor (b)
C.
Only (b)
D.
Only (a)
ANSWER :
A. Both (a) and (b)
40.
The current population of a town is 15,625. It increases by 8% and 12% in two successive years but decreases by 22% in the third year. What is the population of the town at the end of the third year?
A.
14,042
B.
15,120
C.
13,230
D.
14,742
ANSWER :
D. 14,742