6 men and 9 women can complete a piece of work in 10 days what is the time taken by 4 men and 6 women to complete it
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Answer:
15 days
Step-by-step explanation:
let m is no of mens and w is no of womens
now 6 men and 9 women can do work in 10 days
6 men and 9 women 1 day work = 1/10
6m + 9w = 1/10
3(2m + 3w)= 1/10
2m + 3w = 1/30
now we require work done by 4 men and 6 women
multiply 2 on both sides of above equation
2(2m +3w) = 2/30
4m + 3w =1/15
4 men and 3 women 1 day work is 15 units
so, 4 men and 3 women can complete work in 15 days
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