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      Question

      A bike covers a certain distance in 1.8 hours while

      moving at a speed of 80 km/h. Later, due to traffic, the speed decreases and it takes 2 hours to cover the same route. What is the reduced speed of the bike?
      A 55 km/h Correct Answer Incorrect Answer
      B 62 km/h Correct Answer Incorrect Answer
      C 72 km/h Correct Answer Incorrect Answer
      D 100 km/h Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Distance = 80 × 1.8 = 144 km New speed = 144 ÷ 2 = 72 km/h

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