RRB Group D 2022-8-9-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-8-9-2022-1 RRB Questions

41.
Which Indian River that starts from Gangotri is polluted largely by human activities and industries?
A.
Krishna
B.
Brahmaputra
C.
Cauvery
D.
Ganga
ANSWER :
D. Ganga
42.
When a coil carrying a current is placed in a magnetic field, a force is produced on it. This is the working principle of:
A.
Turbine
B.
Generator
C.
Motor
D.
Cooler
ANSWER :
C. Motor
43.
Consider the following statements about a commercial motor:
(a) It uses an electromagnet in place of a permanent magnet.
(b) It uses a soft-iron core.
Which of the above statements is/are correct?
A.
Only (a)
B.
Only (b)
C.
Both (a) and (b)
D.
Neither (a) nor (b)
ANSWER :
C. Both (a) and (b)
44.
A train overtakes two persons who are walking at 1.5 m/s and 3.5 m/s, respectively, in the same direction as that of the train in 20 seconds and 40 seconds, respectively. The length of the train is:
A.
1000 m
B.
900 m
C.
800 m
D.
700 m
ANSWER :
C. 800 m
45.
Consider the below statements and identify the correct answer.
Statement I: The reaction between an acid and a base to form salt and water is known as a neutralisation reaction.
Statement II: A neutralisation reaction can be written as: Acid + Base โ†’ Salt + Water
A.
Statement II is correct, and Statement I is incorrect.
B.
Statement I is correct, and Statement II is incorrect.
C.
Both statements are incorrect.
D.
Both statements are correct.
ANSWER :
D. Both statements are correct.
46.
Amongst six friends G, H, I, J, K and L, each has a different height. G is taller than only two other friends. I is shorter than only one friend. K is shorter than G but taller than J. H is shorter than L. Who is the shortest among all the friends?
A.
G
B.
J
C.
L
D.
K
ANSWER :
B. J
47.

In a code language, the numbers/symbols are coded using letters as per the table given below and as per the given conditions.

Number/ Symbol 2 $ 7 @ 4 # 9 & 1 ! 3 *
Code T D C R G B Y H N J P L

Conditions:
i. If the first element is a symbol and the last a number, the codes for these two (the first and the last elements) are to be interchanged.
ii. If the first element is an odd number and the last an even number, the first and last elements are to be coded as ‘Y’.
iii. If both the second and third elements are perfect squares, the third element is to be coded as the code for the second element.
What will be the code for @ 8 3 9 # 7?

A.

YGCPLR

B.

RGCPLY

C.

RGBPLY

D.

YGBPLR

ANSWER :

D. YGBPLR

48.
Which of the following is a quadratic equation whose roots are 7 and 12?
A.
2xยฒ โ€“ 19x + 84 = 0
B.
xยฒ โ€“ 19x + 34 = 0
C.
xยฒ โ€“ 14x + 84 = 0
D.
xยฒ โ€“ 19x + 84 = 0
ANSWER :
D. xยฒ โ€“ 19x + 84 = 0
49.
Plants use a completely different process for excretion as compared to animals. Which of the following processes is NOT followed by plants for excretion?
A.
Excess water thrown out by transpiration
B.
Excrete some waste into the soil
C.
Store waste products in vacuoles
D.
Filter toxic substances through the leaves
ANSWER :
D. Filter toxic substances through the leaves
50.
Which of the following banks was the organiser of the global hackathon, HARBINGER 2021 โ€“ Innovation for Transformation, with the theme โ€˜Smarter Digital Paymentsโ€™?
A.
Reserve Bank of India
B.
HDFC Bank
C.
HSBC Bank
D.
State Bank of India
ANSWER :
A. Reserve Bank of India