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      Question

      A man running with the speed of 72 km/hr covers a

      certain distance in β€˜x’ hours. If the same distance can be travelled with a speed of 80 km/h in (x - 2) hours, then find the value of β€˜x’.
      A 22 Correct Answer Incorrect Answer
      B 25 Correct Answer Incorrect Answer
      C 20 Correct Answer Incorrect Answer
      D 25 Correct Answer Incorrect Answer

      Solution

      According to question, 72x = 80(x - 2) 80x – 72x = 160 8x = 160 x = 20

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