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    Question

    The average speed of a bus is 2/3 of the average speed

    of a car which covers 1800 km in 20 hrs. What is the average speed of the bus?
    A 80 kmph Correct Answer Incorrect Answer
    B 70 kmph Correct Answer Incorrect Answer
    C 60 kmph Correct Answer Incorrect Answer
    D 90 kmph Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Distance covered by car= 1800 km, Time = 20 hrs. Speed of a car= (Distance )/Time = (1800 )/20 = 90 km/hr. Average speed of a bus = (2 )/3 × 90 = 60 km/hr.

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