An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is __________.
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Answer:
4h30min
Explanation:
Speed= Distance\time
:. 36/3 = 12
:. speed = 12kmperh
:. speed increased 4km\hour
:. Total speed - 12-4 = 8km/hour
Time = Distance ÷ speed = 36÷8 = 4.5hour= 4h30min
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