Question
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: Option B
DUE TO STOPPAGES, THE BUS TRAVELS ONLY 45 KMS IN AN HOUR (9 KMS LESS). TO COVER A DISTANCE OF 9 KM AT A SPEED OF 54 KMPH, TIME TAKEN
= 9/54 = 1/6 HRS = 10 MINS.
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DUE TO STOPPAGES, THE BUS TRAVELS ONLY 45 KMS IN AN HOUR (9 KMS LESS). TO COVER A DISTANCE OF 9 KM AT A SPEED OF 54 KMPH, TIME TAKEN
= 9/54 = 1/6 HRS = 10 MINS.
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