mahes has to cover 15km 3 hours. He could cover only 4.5km in the first hour. What should be his average speed for the last two hours to cover the distance in the given time.
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Total Distance=15 km
Time =3 hours
Cover =4.5 km in 1 hour
Remain=15-4.5=10.5km
Remain time=2 hours
AVERAGE speed=Total Distance/total time
So average speed for next two hours are
=10.5/2
=5.25 km/h
AVERAGe speed=5.25 km/h
Time =3 hours
Cover =4.5 km in 1 hour
Remain=15-4.5=10.5km
Remain time=2 hours
AVERAGE speed=Total Distance/total time
So average speed for next two hours are
=10.5/2
=5.25 km/h
AVERAGe speed=5.25 km/h
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