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      Question

      A train moves at a speed of 25 km/h and takes 16 hours to

      cover a certain distance. What speed will it need to cover the same route in 10 hours?
      A 18 km/h Correct Answer Incorrect Answer
      B 40 km/h Correct Answer Incorrect Answer
      C 28 km/h Correct Answer Incorrect Answer
      D 35 km/h Correct Answer Incorrect Answer

      Solution

      ATQ,

      Distance covered by the train in 16 hours = 25 Ă— 16 = 400 km

      So, required speed = 400 Ă· 10 = 40 km/h

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