RRB ALP 2018-14-08-2018-3 RRB Question Paper

RRB ALP 2018-14-08-2018-3 RRB Questions

1.
The HCF of 36, 54 and 108 is:
A.
9
B.
12
C.
6
D.
18
ANSWER :
D. 18
2.

Tapan, Ravi and Trisha shared a cake. Tapan had \( \frac{1}{4} \) of it, Trisha had \( \frac{2}{3} \) of it and Ravi had the rest. What was Ravi's share of the cake?

A.

\( \frac{1}{12} \)

B.

\( \frac{4}{7} \)

C.

\( \frac{2}{6} \)

D.

\( \frac{1}{6} \)

ANSWER :

A. \( \frac{1}{12} \)

3.
What is the mean of first hundred natural numbers?
A.
51.5
B.
51
C.
50.5
D.
50
ANSWER :
C. 50.5
4.
A natural number, when divided by 4, 5, 6 or 7, leaves a remainder of 3 in each case. What is the smallest of all such numbers?
A.
843
B.
213
C.
423
D.
63
ANSWER :
C. 423
5.

Select the figure which does NOT belong to the group.

A.

D

B.

A

C.

C

D.

B

ANSWER :

C. C

6.
If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?
A.
The son has more energy.
B.
Both have equal power.
C.
Both have equal energy.
D.
The son has more power.
ANSWER :
D. The son has more power.
7.

In a hydrogen atom, an electron moves in an orbit of radius 5.0 × 10-11 m with a speed of 2.2 × 106 m/s. What is the equivalent current? (Electronic charge = 1.6 × 10-19 C)

A.

0.112 mA

B.

112 mA

C.

1.12 mA

D.

11.2 mA

ANSWER :

C. 1.12 mA

8.
The square root of which of the following numbers is irrational?
A.
6560
B.
3969
C.
1764
D.
5625
ANSWER :
A. 6560
9.

Select the correct mirror image of the given figure if the mirror is placed horizontally as shown.

A.

B.

Option 2

C.

Option 3

D.

ANSWER :

D.

10.
Name the stage of mitosis during which the chromosomes of a dividing cell lies at the equatorial plate?
A.
Anaphase
B.
Metaphase
C.
Prophase
D.
Telophase
ANSWER :
B. Metaphase