Question
Ram is four times faster than Shyam, and Shyam is three
times faster than Shiv. If Shiv covers a certain distance in 3.5 hours, how much time will Ram take to cover the same distance?Solution
Let the time taken by Shiv to cover a certain distance be ‘x’ hours
Therefore, Shyam will cover the same distance in (x/3) hours
Ram will cover the same distance in {x/(3 ×4)} = x/12 hours
Here, x = 3.5
Therefore, time taken by Ram to cover the same distance = (3.5/12) × 60 = 17.5 minutes
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