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3. Shalu cycles to her school at an average speed of 12 km/h. It takes her 20 minutes to reach the school. If she wants to reach the school in 15 minutes, what should be her averagespeed? |
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Answer» Speed= Time/Distance⇒Distance=Speed×TimeSo, distance to the school =12km/hr×20minutes=12km/hr× 20/60 hour=4 kmSo, to COVER distance 4km in 15MINUTES,Speed= 4km / 15MIN = 4km / ( 15 / 60) hour =16km/hr Hope this is helpful for you. |
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