Question :
A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 day. They all work together for 10 days, after which B and C leave. How many days more will A take to finish the work?
1. 20 days
2. 19 days
3. 18 days
4. 22 days
Answer :
3 - 18 days
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