A. 12

B. 15

C. 10

D. 18

A watch gains 12 seconds every 3 hours, what time will it show at 10 A.M. on Tuesday if the watch is set right at 3 A.M. on Sunday?

The speed of the boat in still water in 12 kmph. It can travel downstream through 45 kms in 3 hrs. In what time would it cover the same distance upstream?

In a 100m race A cover the distance in 36 seconds and B in 45 seconds. In this race A beats B by

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours then the speed of the first train is:

Walking at 2/3 of his usual speed a man is 2 hrs.late. Find his actual travel time