A man on tour travels first 100 km at 64 km/hr and the next 100 km at 80 km/hr.

A man on tour travels first 100 km at 64 km/hr and the next 100 km at 80 km/hr. Find the average speed for first 200 km of tour.

Quiz

Answer/Solution

58.00 km/hr

Steps/Work

Explanation:
We know Time = Distance/speed
So total time taken =
(100/60+100/80)=35/12hours
Time taken for 200 Km = 200∗35/12=58.00km/hr
Option D