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      Question

      A Truck travel 300 km in 7 hours 30 minutes, if the

      speed of Bike 20% more than that of Truck, then find the time taken by Bike to travel 720 km.
      A 12 hrs Correct Answer Incorrect Answer
      B 24 hrs Correct Answer Incorrect Answer
      C 15 hrs Correct Answer Incorrect Answer
      D 18 hrs Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Speed of Truck= 300 ÷ {7 + (30/60) } = 300 ÷ 7.5 = 40 kmph So, speed of Bike = 40 X 1.2 = 48 kmph So, time taken by the Bike = 720 ÷ 48 = 15 hours 

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