(a) days If6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time

Question

(a)
days
If6 men and 8 boys can do a piece of work in 10 days while
26 men and 48 boys can do the same in 2 days, the time
taken by 15 men and 20 boys in doing the same work will be:
(a) 4 days (b) 5 days (c) 6 days (d) 7 days​

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Abigail 5 days 2021-09-13T23:26:21+00:00 1 Answer 0 views 0

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    2021-09-13T23:28:17+00:00

    Answer:

    6 men and 8 boys can do a piece of work in 10 days. It means that the work requires the efforts of 6×10 = 60 man-days and 8×10 = 80 boy-days. So the time taken by 15 men = 60 man-days/15 men = 4 days and the time taken by 20 boys = 80 boy-days/20 boys = 4 days.

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