RRB Group D 2018-28-9-2018-3 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-28-9-2018-3 RRB Questions

11.
______ is the number of electrons involved in bond formation in N2 .
A.
4
B.
2
C.
6
D.
3
ANSWER :
C. 6
12.
Based on the following table, on an average how many departures are there between 6 in the morning to 12 in the day?
A.
1
B.
2
C.
4
D.
3
ANSWER :
B. 2
13.
Elements of the same group in the modern periodic table have the same _____.
A.
Atomic mass
B.
Atomic radius
C.
Atomic number
D.
Valence electron
ANSWER :
D. Valence electron
14.
If OATH is coded as 151208, then what will be the code for ALTER?
A.
11221518
B.
11320518
C.
11220518
D.
12220518
ANSWER :
C. 11220518
15.
To encourage workers in the unorganized sector to voluntarily save for their old age, an initiative known as ______ was launched in 2010.
A.
Voluntary Retirement Scheme (VRS)
B.
Self-reliance scheme
C.
Old age committee
D.
New construction plan
ANSWER :
B. Self-reliance scheme
16.
Which of the following pair is not a prime number?
A.
161, 163
B.
101, 103
C.
191, 193
D.
41, 43
ANSWER :
A. 161, 163
17.
Which of the figures given in the alternative figure is combined to form the question figure?
A.
A, B and D
B.
Only A and D
C.
Only B
D.
Only B and C
ANSWER :
D. Only B and C
18.
The oxidation reaction that produces heat and light is __________.
A.
Endotherm
B.
Combustion
C.
Exothermic
D.
Neutral
ANSWER :
B. Combustion
19.
From the top of the platform, the angle of elevation of the top of the tower at a distance of 50√3 m is 30°. If the height of the tower is 60 m, what will be the height of the platform?
A.
20√3 m
B.
10 m
C.
40 m
D.
45√3 m
ANSWER :
B. 10 m
20.
A simple magnifying glass contains:
A.
convex lens of high focus length
B.
concave lens of short focus length
C.
concave lens of high focus length
D.
convex lens of short focus length
ANSWER :
D. convex lens of short focus length