A and B together can build a wall in 10 days , B and C working together can do it in 15 day's while C and A together can do it in 12 day's. How long will they take to finish the work , working all together? Also, find the number of days taken by each to do the same work, working alone.
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A can complete the work in 17 1/7days.
B can complete the work in 24 days.
C can complete the work in 40 days.
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