RRB Group D 2022-8-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-8-9-2022-3 RRB Questions

11.
If α, β (α > β) are the roots of the quadratic equation x² – 10x + 16 = 0, then the value of α⁴ - β⁴ is:
A.
4080
B.
-5080
C.
5080
D.
-4080
ANSWER :
A. 4080
12.
The volume of a cylinder having height 21 cm and radius 10 cm is:
(Use π = 22/7)
A.
9900 cm³
B.
6600 cm³
C.
8800 cm³
D.
7700 cm³
ANSWER :
B. 6600 cm³
13.
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.
IGE : QOM :: YWU : GEC
A.
NLJ : VTR
B.
ONL : XWU
C.
PQR : MLK
D.
PNM : UTS
ANSWER :
A. NLJ : VTR
14.
Based on the following sequence of letters and numbers, answer the question given below: Q R 7 A S 5 S I D 4 Y 3 D W A 6 A F O 7 S D C (Right) Count from the left, how many such letters are there which are immediately preceded by another letter and immediately followed by a number?
A.
Two
B.
One
C.
Zero
D.
Three
ANSWER :
A. Two
15.
Two mini trains of length 80 m and 120 m, respectively, are moving on parallel tracks in opposite directions at 30 m/s and 20 m/s respectively. The time taken (in seconds) by both the mini trains to cross each other is:
A.
4
B.
6
C.
10
D.
8
ANSWER :
A. 4
16.
The Smart Event Tracking System, a Google Map-based planning and analysis tool launched in March 2022 is an in-house software of the
A.
Indian Railways
B.
Indian Air Force
C.
Inland Waterways Authority of India
D.
Airports Authority of India
ANSWER :
A. Indian Railways
17.
Which of the following two numbers should be interchanged to make the following equation correct?
35 × 13 ÷ 7 + 9 – 14 = 44
A.
35 and 14
B.
13 and 7
C.
7 and 9
D.
9 and 13
ANSWER :
D. 9 and 13
18.
Which law states that “if we keep increasing the employment of an input, with other inputs fixed, eventually a point will be reached after which the resulting addition to output will start falling”?
A.
Law of Increasing Profit Generation
B.
Law of Production
C.
Law of Variable Proportions
D.
Law of Diminishing Marginal Product
ANSWER :
D. Law of Diminishing Marginal Product
19.
Find The value of
A.
4
B.
6
C.
3
D.
5
ANSWER :
D. 5
20.
The tendency of a conductor to oppose the flow of current is:
A.
Power
B.
electric potential
C.
resistance
D.
conductance
ANSWER :
C. resistance