1.

A motor-cycle covers 40 km with a speed of 20 km/hr. find the speed of the motor-cycle for the next 40 km journey so that the average speed of the whole journey willbe 30 km/hr.

A. 70 km/hr
B. 52.5 km/hr
C. 60 km/hr
D. 60.5 km/hr
Answer» D. 60.5 km/hr


Discussion

No Comment Found

Related MCQs