RRB ALP 2018-13-08-2018-2 RRB Question Paper

RRB ALP 2018-13-08-2018-2 RRB Questions

11.
Arrange the following in a proper sequence.
A. Mutation
B. Reproductive isolation
C. Natural selection
D. Evolution
A.
C, B, A, D
B.
A, B, C, D
C.
D, C, B, A
D.
A, C, D, B
ANSWER :
B. A, B, C, D
12.
An incident ray strikes a plane mirror at an angle of 20ยฐ with the mirror. The angle between the incident ray and reflected ray is ___.
A.
20ยฐ
B.
50ยฐ
C.
140ยฐ
D.
40ยฐ
ANSWER :
C. 140ยฐ
13.
City U is 9 km towards the east of City V.
City W is 5 km towards the south of City U.
City X is 3 km towards the west of City W.
City Y is 5 km towards the north of City X.
City Z is 7 km towards the south of City X.
Which of the cities lie on a straight line?
A.
UVW
B.
YWU
C.
UXZ
D.
XZY
ANSWER :
D. XZY
14.
In the following series, one number is missing as shown by the question mark (?). Select the missing number from the given options.
8, 12, 16, 20, ?
A.
22
B.
32
C.
26
D.
24
ANSWER :
D. 24
15.
Solve the following:
(โˆ’8) [36 รท {7 โˆ’ (โˆ’2)}] รท (โˆ’4) {19 โˆ’ (โˆ’3) ร— (โˆ’5)} = ?
A.
2
B.
โˆ’2
C.
โˆ’4
D.
4
ANSWER :
A. 2
16.
The product of two numbers is 0.324. One of the numbers is 1.2. What is the other number?
A.
27
B.
2.7
C.
0.027
D.
0.27
ANSWER :
D. 0.27
17.
What is the action of dry HCl gas on dry litmus paper?
A.
Blue litmus paper turns red
B.
Blue or red litmus paper does not change its colour
C.
Blue litmus paper turns white
D.
Red litmus paper turns blue
ANSWER :
B. Blue or red litmus paper does not change its colour
18.
Consider the given statements to be true and decide which of the given conclusions can definitely be drawn from the given statements.
Statements:
Most lawyers are females. Some females are mothers.
Conclusions:
1. Some mothers are females.
2. Some lawyers are mothers.
A.
Only conclusion 1 follows
B.
Both 1 and 2 follow
C.
Only conclusion 2 follows
D.
Neither 1 nor 2 follows
ANSWER :
A. Only conclusion 1 follows
19.
Syngamy is defined as:
A.
the fusion of one of the sperms with the synergid
B.
the fusion of one of the sperms with the egg
C.
the fission of one egg
D.
the fission of one sperm
ANSWER :
B. the fusion of one of the sperms with the egg
20.
38% of 250 is equal to:
A.
104.5
B.
95
C.
76
D.
114
ANSWER :
B. 95