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      Question

      A car moves with a speed of β€˜z’ km/hr. After 3

      hours, it increases its speed to (z + 20) and travels for 2 hours. If the ratio of the distance covered in the first 3 hours to that in the next 2 hours is 3:2, find the total distance covered by the car.
      A 250 km Correct Answer Incorrect Answer
      B 140 km Correct Answer Incorrect Answer
      C 200 km Correct Answer Incorrect Answer
      D 545 km Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ,

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