If 5 boys can do a work in 25 days. How many days are required to complete it by 50 men.
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5 men =5 days to complete the work.
work done on a day by 5 men-= 1/5 part
work done on a day by 1 man = 1/5x5 = 1/25 part
similarly 10 boys takes 5 days to complete the work
work done by 10 boys on one day= 1/5 part
work done by 1 boy on one day = 1/5 x 10 part = 1/50 part
hence 4 men and 17 boys work on one day = 4 x 1/25 +17 x 1/50 part
4/25 +17/50 = 4 x 2/50 +17/ 50 ( Equal LCM) =8+17/50= 25/50 part
hence 4 men and 17 boys takes 50 divided by 25 days to complete the work.
(ie) 2 Days to complete the work
Ans is 2 days to complete the work by 4 men and 17 boys
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