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Ravi covers a certain distance at a certain speed. If he decreases his speed by 20%, then he takes 24 minutes more to...
Solution
Let the distance covered= dOriginal speed = sTime taken to cover the distance with the original speed be = td = s × t ——–(1)New speed = 0.8s (...
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Keynote
When distance is constant speed is inversely proportional to time.Hence, 20% decrease in speed means 20% increase in time.Given 20% increase = 24 minutes∴ Time...
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