A bus moves at a speed of 54km/hr without stoppage. if the bus stops for few minutes it's average speed drops to 45km/hr. find the stoppage time.

Speed of the bus excluding stoppages =54=54 kmph

Speed of the bus including stoppages =45=45 kmph

Loss in speed when including stoppages =54−45=9 kmph=54−45=9 kmph

⇒⇒ In 11 hour, bus covers 99 km less due to stoppages.

Hence, time in which the bus stops per hour

= Time taken to cover 99 km

=distancespeed=954 hour=16 hour =distancespeed=954 hour=16 hour  =606 min=10 min

answer: it's upside down and i can't read it

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