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      Question

      One - Fourth of a certain journey is

      covered at the rate of 25km/h, one- third at the rate of 30 km/h and rest at 50 km/h. Find the average speed for the whole journey.
      A 600/53 kmph Correct Answer Incorrect Answer
      B 1200/53 kmph Correct Answer Incorrect Answer
      C 1800/53 kmph Correct Answer Incorrect Answer
      D none of these Correct Answer Incorrect Answer

      Solution

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