RRB Group D 2018-12-12-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-12-12-2018-2 RRB Questions

1.
A person facing west from point O walks 4 km to reach point A, then from there he walks 4 km to the right and reaches point B, then walks 4 km to the right and reaches point C, turns right and walks 3 km to reach point D, turns left 4 km to reach point E, walks 5 km to the right and arrives at point F, The shortest distance (in km) between point D and point B is:
A.
10
B.
5
C.
6
D.
4
ANSWER :
B. 5
2.
Find the figure that will replace the question mark in the following symmetry.
A.
B.
C.
D.
ANSWER :
A. undefined
3.
A sum of Rs 5400 is invested at 20% Per annum compounded annually for 2 years. What will be the the compound interest earned after 2 years.
A.
Rs 7776
B.
Rs 1876
C.
Rs 2376
D.
Rs 7276
ANSWER :
C. Rs 2376
4.
A and B are in ideal condition. The ratio of molecular weights of A and B is 1 : 4. The pressure of the gas mixture of A and B with equal weight is P atm. What is the partial pressure (in atm) of mixture B?
A.
P/2
B.
P/5
C.
P/2.5
D.
P/4
ANSWER :
B. P/5
5.
What are the coordinates of the point dividing the line segment internally in the ratio of 3 : 1, end points of the line segments are (–2, 2) and (10,–6) ?
A.
(1,0)
B.
(4,-2)
C.
(7,-4)
D.
( (9/2), 3)
ANSWER :
C. (7,-4)
6.
There are two pipes, pipe M and pipe N to fill a tank. Pipe M alone can fill of the empty tank's capacity in 24 hours. Pipe N alone can fill of the empty tank's capacity in 60 hours. Both pipes fill water at their respective rates. How many hours will both pipes fill the empty tank together according to their capacity?
A.
30 hours
B.
36 hours
C.
24 hours
D.
32 hours
ANSWER :
C. 24 hours
7.
Which post of the Indian Army has been given to MS Dhoni?
A.
Lieutenant Colonel (Lt. Col.)
B.
Colonel
C.
Captain
D.
Major General
ANSWER :
A. Lieutenant Colonel (Lt. Col.)
8.
Which of carbon isotope is radioactive and is used for radio-carbon dating?
A.
13C
B.
14C
C.
13C and 14C
D.
12C
ANSWER :
B. 14C
9.
Which of the following pair is not a co-prime pair?
A.
35, 51
B.
75, 104
C.
49, 133
D.
63, 95
ANSWER :
C. 49, 133
10.
Which of the following company has signed a Memorandum of Understanding with the Government of Rajasthan to provide digital training to 9,500 students of government colleges?
A.
Accenture
B.
Amazon
C.
IBM
D.
Microsoft
ANSWER :
D. Microsoft