Multiple choice

Walking at three-fourth of his usual speed, a man covers a certain distance in 2 hours more than he takes to cover the distance at his usual speed. The time taken by him to cover the distance with his usual speed is-

  1. 4.5 hours

  2. 5.5 hours

  3. 6 hours

  4. 5 hours
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let usual speed = v, usual time = t. Distance = vt. At 3/4 speed, time = t+2. So (3/4)v × (t+2) = vt. Simplifying: 3t + 6 = 4t, giving t = 6 hours.

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