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 If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.

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 If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.

A). 4:3

B). 2:1

C). 1:2

D). 2:5


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Answered by on | Votes 0 |

2:1



12M + 16B ----- 5 days

13M + 24B ------- 4 days

60M + 80B = 52M + 96B

8M = 16B => 1M = 2B

M: B = 2:1

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