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A person walks at a speed of 20 km/h and reaches his college 10 minutes late. Next time he increases his speed by5 km/h, but finds that he is still late by 4 minutes. What is the distance of his college from his house? |
Answer» Step-by-step EXPLANATION:Differences in speeds as x/20-x/25= difference in time in MINUTES i.e 6/60 , so it is 10KMS |
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