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      Question

      Deepak travels from his house to the school, which is 7

      km away, by cycling. If he returns to his home by foot with speed of 3.5 km/hr and takes 60 minutes more then find the speed of the cycle.
      A 6 km/h Correct Answer Incorrect Answer
      B 8 km/h Correct Answer Incorrect Answer
      C 7 km/h Correct Answer Incorrect Answer
      D 9 km/h Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Time taken to cover the distance by foot = 7/3.5 Γ— 60 minutes = 120 minutes Time taken to cover the distance by cycling = 120 – 60 = 60 minutes = 60/60 = 1 hour Speed of cycle = 7/1 = 7 km/h

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