RRB Group D 2022-22-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-22-9-2022-3 RRB Questions

41.

Simplify (7x - 1)³ (7x + 1)³

A.

−686x³ + 42x

B.

−686x³ − 42x

C.

686x³ − 42x

D.

686x³ + 42x

😑 View Answer Rough Work Error
ANSWER :

D. 686x³ + 42x

42.
If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 6513742678, how many digits will appear more than once in the new number thus formed?
A.
Two
B.
Six
C.
Four
D.
Five
😑 View Answer Rough Work Error
ANSWER :
C. Four
43.
Surya participated in a marathon. From starting point he ran 11 km towards West, turned right and ran for 12 km and turned right again and ran 11 km and then turned right again and ran 9 km. How many kms has he to run now in order to reach the starting point from his present position to complete the marathon?
A.
14 km
B.
2 Km
C.
7 Km
D.
3 Km
😑 View Answer Rough Work Error
ANSWER :
D. 3 Km
44.
Each of six teachers, J, K, L, M, N and O, have their classes on six different days of a week starting from Monday and ending on Saturday of the same week, but not necessarily in the same order. Only two teachers have classes before M’s class. J has the class on Tuesday, and O has the class on Saturday. Only one teacher has the class after the class of K. N’s class is not between the classes of K and M. Who among the following has the class on Monday?
A.
L
B.
K
C.
N
D.
M
😑 View Answer Rough Work Error
ANSWER :
C. N
45.
Which of the following metals forms a green colour coating due to corrosion?
A.
Iron
B.
Silver
C.
Copper
D.
Zinc
😑 View Answer Rough Work Error
ANSWER :
C. Copper
46.
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.
Series:
2 : 18 :: 14 : 49 :: ?
A.
348
B.
517
C.
739
D.
1005
😑 View Answer Rough Work Error
ANSWER :
C. 739
47.

A sphere and a cube have the same surface area. The ratio of the volume of the sphere to that of the cube is:

A.

\(\sqrt{π}\):\(\sqrt{6}\)

B.

\(\sqrt{6}\) : \(\sqrt{π}\)

C.

\(\sqrt{π}\) : 4\(\sqrt{3}\)

D.

4\(\sqrt{3}\) : \(\sqrt{π}\)

😑 View Answer Rough Work Error
ANSWER :

B. \(\sqrt{6}\) : \(\sqrt{π}\)

48.
The Twelfth Schedule of the Indian Constitution is related to powers, authority and responsibilities of ______.
A.
States
B.
the Centre
C.
urban local bodies
D.
Panchayats
😑 View Answer Rough Work Error
ANSWER :
C. urban local bodies
49.

Determine the positive value of k for which the equations x2 + kx + 64 = 0 and x2 - 8x + k = 0 will both have real roots.

A.

15

B.

17

C.

16

D.

14

😑 View Answer Rough Work Error
ANSWER :

C. 16

50.
The ages of a father and his son together add up to 80 years. If the age of the son be doubled, it will exceed the father’s age by 10 years. Find the present age of the son.
A.
30 years
B.
50 years
C.
35 years
D.
40 years
😑 View Answer Rough Work Error
ANSWER :
A. 30 years