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    Question

    The average speed of a bus is 5/7 of the average speed

    of a car which covers 2800 km in 50 hrs. What is the average speed of the bus? 
    A 60 km/hr Correct Answer Incorrect Answer
    B 50 km/hr Correct Answer Incorrect Answer
    C 40 km/hr Correct Answer Incorrect Answer
    D 70 km/hr Correct Answer Incorrect Answer

    Solution

    Distance covered by car = 2800 km, Time = 50 hrs. Speed of a car = Distance/time = 2800/50 = 56 km/hr Average speed of a bus = (5/7) of 56 = 40 km/hr

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