Thursday, 2 February 2017

Question of the day 29-1-2017

A and B undertake to do a piece of work for Rs 600. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they can finish it in 3 days, Find the share of C?
a) 75
b) 80
c) 300
d) 225
e) None of these.

1 comment:

  1. Answer: Option a
    Explanation:

    C’s one day’s work =(1/3)-{(1/6)+(1/8)}=(1/24)

    Therefore, A:B:C = Ratio of their one day’s work =(1/6) : (1/8) : (1/24) =4:3:1

    c’s share =Rs.600×(1/8)

    C’s share = Rs 75

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