Question

152: 3 males or 4 females can complete a work in 43 days. In how many days 7 males and 5 females can complete the same work?

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Answer 1

Answer:

7 males and 5 females can complete the work in 12 days

3 males = 4female

1 male=4/3female

7 males and 5 females equal to=7×4/3+5=43/3female

so,4:43::x:43/3

x=4×43×3/43

x=12 days