15. 5 men do a piece of work in 12 days. In how
many days will 6 men complete the same
work?
(A) 8 days (B) 7 days<

15. 5 men do a piece of work in 12 days. In how
many days will 6 men complete the same
work?
(A) 8 days (B) 7 days
(C) 9 days (D) 10 days​

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1 thought on “15. 5 men do a piece of work in 12 days. In how<br />many days will 6 men complete the same<br />work?<br />(A) 8 days (B) 7 days<”

  1. Answer:

    As number of workers increase, time taken to complete the job decreases.

    Therefore, it is an inverse proportion.

    x1y1 = x2y2

    5*12=6*X

    =5*12/6=X

    X=10.

    therefore , option D is right

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