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      Question

      β€˜A’ and β€˜B’ started moving towards each other at

      same time with a speed of 21 km/hr and 15 km/hr, respectively. If the distance covered by β€˜A’ is 15 km more than that by β€˜B’, when they meet then find the initial distance between them.
      A 150 km Correct Answer Incorrect Answer
      B 140 km Correct Answer Incorrect Answer
      C 180 km Correct Answer Incorrect Answer
      D 120 km Correct Answer Incorrect Answer

      Solution

      Ratio of distance travelled by β€˜A’ and β€˜B’ = 21:15 = 7:5 Required distance = 15 Γ— 12 = 180 km

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