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SSC Quantitative Aptitude Average Question Bank Average (II)

  • question_answer
    A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. His average speed is

    A) 9 km/h

    B) 4.5 km/h

    C) 4 km/h

    D) 3 km/h

    Correct Answer: C

    Solution :

    [c] Average speed \[=\frac{2xy}{(x+y)}km/h\] \[=\frac{2\times 6\times 3}{(6+3)}km/h=4\,km/h\]


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