Question

A person travelling on a road cover a total fistance of 200 Km,travel the first 90 Km at an average of 80 Km/hr.Find the average speed must be obtained for the rest of the journey if the person is to reach the destination in a total time of 2 hours?

Answer 1

Simply 45kmph

Caus if he travel with an average of 45kmph so in two hours he will travel 90km