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      Question

      Ratio of speeds of β€˜A’ and β€˜B’ is 2:3,

      respectively. If they participate in a 450-metre race and β€˜B’ gives β€˜A’, ahead start of β€˜m’ metres, then they finish the race at the same time. Find the value of β€˜m’.
      A 100 metres Correct Answer Incorrect Answer
      B 160 metres Correct Answer Incorrect Answer
      C 150 metres Correct Answer Incorrect Answer
      D 190 metres Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the distance covered by β€˜A’ in the time β€˜B’ covers 450 metres be β€˜x’ metres (x/450) = (2/3) Or, x = 300 So, m = 450 – 300 = 150 metres

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