Question

If 3 women or 5 girls take 17 days to complete a piece of work, how long will
7 women
and 11 girls working together take to complete the work?
​

Answer 1

3 woman or 5 girls take 17 days

1 women or 1 girls take 17×3×5=255days

7 women or 11 girls take 255/7×11(77)

last step: 255/77

Ans: 3.31