Two friends started for a place one by motor cycle and the other by train. The speed of motor cycle is 30 km/h and that of train is 24 km/h. The first one takes 6 h 12 min to reach the destination. find the time of reaching of second one.

• A. 8 h
• B. 7.25 h
• C. 7.5 h
• D. 7.75 h