RRB Group D 2018-26-9-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-26-9-2018-2 RRB Questions

31.
If 2x2+ax+2b , when divided by x-1 , leaves a remainder of 16 and x2 + bx + 2a , when divided by x+1 , leaves remainder of –1, then a+b equals:
A.
14
B.
-8
C.
-14
D.
8
ANSWER :
D. 8
32.
104÷[68−{29−(45−56÷7×4)}]=?
A.
4
B.
2
C.
8
D.
13
ANSWER :
B. 2
33.
In the modern periodic table, elements having atomic numbers 19 to 36 are placed in the period:
A.
4
B.
6
C.
5
D.
3
ANSWER :
A. 4
34.

If a + \( \frac{1}{a} \) = -6 find the value of a3 + \( \frac{1}{a^3} \)

A.

216

B.

-198

C.

-216

D.

198

ANSWER :

B. -198

35.

Which of the options bears the closest resemblance to the following figure?

A.
B.
C.
D.
ANSWER :

C. undefined

36.
A and B can complete a task in 50 days, B and C can complete it in 37.5 days while C and A can do the same task together in 30 days. How many days will A, B and C each take to complete the task individually?
A.
40, 60 and 120
B.
60, 120 and 40
C.
75, 150 and 50
D.
50, 150 and 75
ANSWER :
C. 75, 150 and 50
37.

A shop consumed 250 units of energy in a month. How much energy was consumed in joules?

A.

9×10-8J

B.

9×10-7J

C.

9×108J

D.

9×107J

ANSWER :

C.9×108J

38.

The two roots of a quadratic equation are given as x= \( \frac{4}{3} \) and x= \( \frac{-3}{7} \). The equation can be written as

A.

(7x−3)(3x−4)=0

B.

(7x+3)(3x−4)=0

C.

(7x+3)(3x+4)=0

D.

(7x−3)(3x+4)=0

ANSWER :

B. (7x+3)(3x−4)=0

39.
Usha Uthup of West Bengal won the Padma Shri for which field?
A.
Literature
B.
Social Work
C.
Arts
D.
Theatre
ANSWER :
C. Arts
40.
Pyarimohan Mohapatra is a political leader belonging to which Indian state?
A.
Assam
B.
West Bengal
C.
Bihar
D.
Odisha
ANSWER :
D. Odisha