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      Question

      A cyclist is 1,200 metres ahead of a motorbike when the

      motorbike starts chasing at 25 m/s. If the cyclist is riding at 15 m/s, then find the time taken by the motorbike to catch the cyclist.
      A 185 secs Correct Answer Incorrect Answer
      B 170 secs Correct Answer Incorrect Answer
      C 120 secs Correct Answer Incorrect Answer
      D 150 secs Correct Answer Incorrect Answer

      Solution

      ATQ, Relative speed of the motorbike = 25 – 15 = 10 m/s Required time = (1200 ÷ 10) = 120 seconds

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