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9th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    A car covers 30 km in 30 minutes and the next 30 km in 40 minutes. Calculate the average speed of the car for entire journey.

    A) 40 km/h

    B)  46 km/h

    C)  64 km/h

    D)  80 km/h

    E)  None of these

    Correct Answer: E

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