Mukesh has to cover a distance of 6 km in 45 min. If he covers one half of the distance in 2/3 of the time, what should be his speed to cover the remaining distance in the remaining time?
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Total distance=6km
Total time = 45min
Distance already covered= half of 6 =3km
Distance remaining = 6-3= 3km.
Time taken=2/3 of 45min
=30min
Remaining time=45-30=15min
Speed required to cover remaining distance
=distance/time
=3km/15min
=3/15 km per min
=3×(60÷15) km per hour
=3×4 km per hour
=12 km/h
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