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      Question

      Travelling at his usual speed, a man reaches his

      destination in 12 hours. If he reduces his speed by (1/6), then he covers 72 km less in the same time. Find the usual speed of the man.
      A 20 km/h. Correct Answer Incorrect Answer
      B 36 km/h. Correct Answer Incorrect Answer
      C 52 km/h. Correct Answer Incorrect Answer
      D 22 km/h. Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the usual speed be 6x km/h. The reduced speed = (5/6) Γ— 6x = 5x km/h Using the formula Distance = Speed Γ— Time, Usual speed = 6x = 36 km/h.

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