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    Question

    A bus travels from point A to point B at a speed of 48 km/h

    and makes the return trip from B to A at a speed of 56 km/h. If the total time taken for the round trip is 39 hours, what is the distance between points A and B?
    A 1440 km Correct Answer Incorrect Answer
    B 1342 km Correct Answer Incorrect Answer
    C 1008 km Correct Answer Incorrect Answer
    D None of the above Correct Answer Incorrect Answer

    Solution

    Let the distance between ‘A’ and ‘B’ be ‘x’ km

    According to the question,

    (x/48) + (x/56) = 39

    Or, (7x + 6x)/336 = 39

    Or, 13x = 336 × 39

    Or, x = 1008

    Therefore, distance between ‘A’ and ‘B’ = 1008 km

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