Excluding stoppages, the speed of a bus is 80 km/hr and including stoppages, it is 70 km/hr.

Excluding stoppages, the speed of a bus is 80 km/hr and including stoppages, it is 70 km/hr. For how many minutes does the bus stop per hour?

Quiz

Answer/Solution

8 min

Steps/Work

Due to stoppages, it covers 10 km less.
Time taken to cover 10 km = 10/80 * 60
= 8 min.
Answer:C