Question

A motor-cycle covers 160 km with a speed of 70 km/hr. find the speed of the motor-cycle for the next 170 km journey so that the average speed of the whole journey will be 90 km/hr.

A 150 km/hr
B 126 km/hr
C 120 km/hr
D 140 km/hr
Practice Next

More Time and distance Questions

Hey! Ask a query