Question

A bus covers a certain distance in 3 hours 20 minutes at an avrage speed of km/h. how long willit take to cover the same dostance at a speed of 36 km/h

Answer 1

cover time 3 hours 20 min=10/3 hour
av.speed=45km/h
than distance is =45×10/3=15×10
=150km
time=150/36
=25/6hours
means 4 hours and 10minutes
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