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    Question

    Atul walks 4 km at a speed of 2 km/h, runs 10 km at a

    speed of 6 km/h and goes by bus for another 45 km. The speed of the bus is 30 km/h. Find the average speed of Atul.
    A 11(13/31) km/h Correct Answer Incorrect Answer
    B 11(31/13) km/h Correct Answer Incorrect Answer
    C 12(14/41) km/h Correct Answer Incorrect Answer
    D 12(41/14) km/h Correct Answer Incorrect Answer

    Solution

    ATQ, Let the time of journey by walk, run and by bus be t1, t2, and t3 respectively, Total distance travelled by Atul = 4 + 10 + 45 = 59 km Total time taken by Atul = 2 + (5/3) + (3/2) = (31/6) By using the formula of Average speed, Average speed of Atul = Average speed of Atul = 11(13/31) km/h

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