Question

A bus travels at 54km/h while moving but after accounting for stopping time, to let passengers on and off the coach, it averages a speed of 45km/h. How many minutes does the bus stop for each hour?​

Answer 1

Given:

Given:Speed of bus excluding stoppages =54 km/h

Speed of bus including stoppages = 45 km/h

To calculate: Minutes/per hour the bus stopped = ?

Distance covered by bus without stopping =54 km/h

Distance covered by bus with stopping =45 km/h

Due to stoppages it could

9km (54-45km) less

Time taken to cover 9 km=?

$time \: taken \: = \frac{distane}{speed }$

Distance=9km

Speed = 54km/h.

Substituting given values on the above formula we get,

$time \: taken \: = \frac{9}{54} hour = \frac{1}{6} hour \:$

=10 minutes

Hence,the correct answer is 10 minutes.

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