RRB Group D 2022-14-9-2022-2 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-14-9-2022-2 RRB Questions

31.
The average of all natural numbers between 12 and 39 which are divisible by 5 is ________.
A.
25.5
B.
28
C.
21
D.
25
ANSWER :
D. 25
32.
Copper reacts with conc. nitric acid to produce cupric nitrate and nitrogen dioxide as follows:
Cu + HNO₃ → Cu(NO₃)₂ + NO₂ + H₂O
Which of the following balanced equations is correct?
A.
2 Cu + 4 HNO₃ → 2 Cu(NO₃)₂ + 2 NO₂ + 2H₂O
B.
Cu + 4 HNO₃ → Cu(NO₃)₂ + 2 NO₂ + 2H₂O
C.
Cu + 4 HNO₃ → Cu(NO₃)₂ + 2 NO₂ + H₂O
D.
Cu + 2 HNO₃ → Cu(NO₃)₂ + NO₂ + 2 H₂O
ANSWER :
B. Cu + 4 HNO₃ → Cu(NO₃)₂ + 2 NO₂ + 2H₂O
33.
Which of the following Articles discusses the veto power of the President of India?
A.
Article 145
B.
Article 114
C.
Article 111
D.
Article 122
ANSWER :
C. Article 111
34.
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number:
13 : 19 :: 25 : 37 :: 31 : ?
A.
41
B.
39
C.
51
D.
47
ANSWER :
A. 41
35.

If \(\frac{5^{3n+2}}{5^{4n-1}}\)= 25 then n = _________.

A.

-1

B.

5

C.

2

D.

1

ANSWER :

D. 1

36.

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

Number/ Symbol 1 ! 2 @ 3 # 4 $ 5 % 6 ^ 7 & 8 * 9
Code T D C R G B Y H N J P L Q S D F Z

Conditions:
I. If the first element is an even number and the last is an odd number, the code for the first and last elements will be X.
II. If both the second and third elements are even numbers, the codes for these two are to be interchanged.
III. If the first element is a number and the last a symbol, the code for the first element is to be used for the last element also.
What will be the code for 2S4%3& ?

A.

SHYJGC

B.

CHYJGC

C.

SHYJGS

D.

CHYJGS

ANSWER :

B. CHYJGC

37.
Two numbers are in the ratio 11 : 17 and the difference between the numbers is 18. The HCF and the LCM of these numbers, respectively, are:
A.
9 and 567
B.
7 and 563
C.
3 and 561
D.
5 and 569
ANSWER :
C. 3 and 561
38.
In January 2022, researchers at the IIT Kharagpur have developed a new highly accurate, portable, yet user-friendly, affordable and non-invasive device for detecting ________ in resource-constrained clinical settings.
A.
oral cancer
B.
breast cancer
C.
blood cancer
D.
lung cancer
ANSWER :
A. oral cancer
39.
On 31st January 2022, who was appointed as Director General of the National Institute of Electronics and Information Technology?
A.
Dr. Pinaki Talukdar
B.
Dr. Madan Mohan Tripathi
C.
Dr. Amrita Hazra
D.
Dr. Narayan Pradhan
ANSWER :
B. Dr. Madan Mohan Tripathi
40.
As per the report of the National Rubber Policy 2019, India is the _________ largest producer of Natural Rubber in the world.
A.
eighth
B.
fifth
C.
seventh
D.
sixth
ANSWER :
D. sixth