Ques:- Find out the wrong number in the series:
7, 8, 18, 57, 228, 1165, 6996
7, 8, 18, 57, 228, 1165, 6996
A. 228
B. 57
C. 18
D. 8
Ques:- What smallest number should be subtracted from 6708 so that it may be divided by 9?
A. 1
B. 2
C. 3
D. 4
Ques:- The time taken by a train 180 m long, travelling at 42 kmph, in pasing a person walking in the same direction at 6 kmph, will be
A. 16 sec
B. 18 sec
C. 21 sec
D. 24 sec