Question

If 3 mens and 6 childrens complete work in 18 days then 4 men and 4 children complete work in how many days

Answer 1

Answer:

question needs more information

(assuming that it should be 3 men or 6 children)

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solving ,

let work = W

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Let

W = Work

M = work done by 1 man in 1 day

C = work done by 1 child in 1 day

given,

3M x 18 = W

6C x 18 = W

from above M+C = 3W/108 (A)

let, 4 men and 4 children complete work in D days

hence,

4D.(M + C) = W

4D. 3W/108 = W (substituting from (A))

D = 9 days