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7th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    A car moves with a speed of 40 km/h for 15 minutes, then with a speed of 60 km/h for 15 minutes, then with a speed of 48 km/h for 10 minutes, then with the speed of 30 km/h for minutes. Find the average speed of the car.

    A) 42 km/h

    B) 43 km/h

    C) 45 km/h

    D) 47 km/h

    E) None of these

    Correct Answer: B

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