Two trains A and B start from stations X and Y towards Y and X respectively. After passing each other, they take 4 hours 48 minutes and 3 hours 20 minutes to reach Y and X respectively. If train A is moving at 45 km/hr., then the speed of the train B is

Options

A. 60km`//`hr
B. 64.8 km`//`hr
C. 54 km`//`hr
D. 37.5 km`//`hr

Answer

C