Walking with 3/4 of his usual speed, Sachin covers a certain distance in 2 h more than the time he takes to cover the distance at his usual speed. Find the time taken by him to cover this distance with usual speed.

5 h
6 h
9 h
4 h

Correct Answer: 6 h

Explanation:

Let th distance = D
and usual speed = V
According to the question,
D/(3V/4) - D/V = 2
∴ D/V = 3 x 2 = 6
Time taken to cover the distance with usual speed = 6 h

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