question_answer

The distance between two milestones is 230 km and two cars start simultaneously from the milestones in opposite directions and the distance between them after three hours is 20 km. If the speed of one car is less than that of other by 10 km/h, find the speed of each car.

A) 25 km/h, 40 km/h

B)                    40 km/h, 50 km/h

C) 20 km/h, 40 km/h

D)                    30 km/h/40 km/h

E) None of these