Question

A man on tour travels faster 160 km 664 km per hour and next 160 km at 80 km per hour the average speed for the first 320 km of the tour is

Answer 1

We know Time = Distance/speed

So total time taken =

(160/64+160/80)=9/2hours Time taken for 320 Km = 320∗2/9=71.11km/hr