1. Excluding stoppages, the speed of a bus is 72 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?
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By: anil on 05 May 2019 01.46 am
In 1 hour the bus can travel 72km without including stoppages To travel 1km it took 60/72=5/6 min In 1 hour the bus can travel 60km including stoppages difference = 12kms so it stopped for 12*5/6=10mins in 1hr. so the answer is option D.
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