A bus travel with a speed of 50 km/h in 10 hr find the distance how much bus covered in m
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speed of bus for first 15 min=10km/hr
distance covered by bus at that time =speed ×time
=10×(15/60)=10/4
therefore it covered 2.5km in first 15min
total distance travelled=2.5+5+15+10=32.5
total time taken =15+15+15+15=60min=1hr
average speed=total distance/total time=32.5/1
therefore average speed of the bus is 32.5km/hr
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