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      Question

      A car is travelling at a constant rate of 42 km/h. The

      distance travelled by car from 9:40 am to 12:00 pm is:
      A 98 km Correct Answer Incorrect Answer
      B 65 km Correct Answer Incorrect Answer
      C 102 km Correct Answer Incorrect Answer
      D 90 km Correct Answer Incorrect Answer

      Solution

      Let the distance be x km. And time taken by car = 2hr 20min => 2(20/60) = 2(1/3) = 7/3 hrs Distance = Speed Γ— Time => (7/3)Β  Γ— 42 = 98 km

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