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One man and 2 boys can do a piece of work in 12 days. The same work can also be done by 3 men and 1 boy in 6 days. How long it would take for one man alone to complete the work? |
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Answer» Let man be m Let boy be b `1m+2b=1/12-(1)` `3m+b=1/6-(2)` from equation 1 and 2 `5m=1/2-1/3=1/4` `m=1/20` 1 man take 20 days to complete the work on time. |
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