question_answer

The speed of a boat in still water is 6 kmph and that of current is 3 kmph. The boat starts from point A and rows to point B and comes back to point A. It takes 12 hours during this journey. How far is point A from point B?

A) 27 km

B) 25 km

C) 20 km

D) 30 km

E) None of these