question_answer

There are two places A and B which are separated by a distance of 100 km. Two boats starts form both the places at the same time towards each other. If one boat is going downstream and the other one is going upstream, if the speed of A and B is 12 km/hr. and 13km/hr. respectively. Find at what time they will meet each other.

A) 10hrs.

B) 4hrs.

C) 8 hrs.

D) 6hrs.

E) 7hrs.