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If A, B and C together can finish a piece of work in 4 days. A alone in 12 days and B in 18 days, then C alone can do it in?
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Question:If A, B and C together can finish a piece of work in 4 days. A alone in 12 days and B in 18 days, then C alone can do it in?
1.21 days
2.15 days
3. 12 days
4.9 days
Show Answer
Answer:4
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