Ques:- If m, n, o, p and q are integers, then m(n + o) (p – q) must be even when which of the following is even?
A. m
B. n
C. m + n
D. n + p
Ques:- Find out the wrong number in the series:
40960, 10240, 2560, 640, 200, 40, 10
40960, 10240, 2560, 640, 200, 40, 10
A. 40
B. 200
C. 640
D. 2560
Ques:- A man sees a train passing over a bridge 1 km long. The length of the train is half that of the bridge. If the train clears the bridge in 2 minutes, the speed of the train is
A. 30 km/hr
B. 40 km/hr
C. 45 km/hr
D. 55 km/hr