Excluding stoppages, the average speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Q1. Excluding stoppages, the average speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Answer: 10
Explanation: Speed lost due to stops = 54 − 45 = 9 kmph; stop time per hour = (9/54) × 60 = 10 minutes.