A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B while it takes 6 ...........

Quantitative Aptitude ( CCS) Boats and Streams

A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B, while it takes 6 hours to cover 3/4th of the same distance running downstream. The speed of the current is 15 Km/hr. The boat covered both forward distance from A to B and backward distance from B to A. Then what is the distance between A and B?

360 Km