Question

A motor-cycle covers 125 km with a speed of 60 km/hr.

Average speed of whole journey 80 kmhr Using the formula, average speed 2xyx y x speed of first 125 km 60 kmhr 80 2 60 y60 y 120 kmhr

find the speed of the motor-cycle for the next 125 km journey so that the average speed of the whole journey will be 80 km/hr.

A 117 km/hr

B 150 km/hr

C 120 km/hr

D 88 km/hr

Practice Next

More Time and distance Questions

Solution