If 3 women or 5 girls take 17 days to complete a piece of work

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?

Solution:

A can do a job in 10 days while B can do it in 15 days. If they work together and earn ₹3500, how should they share the money?

Solution:

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