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A and B can do a piece of work in 12 days. B and C in 15 days and C and A in 20 days. If A, B and C work together, they will completer the work in :5
Q: A and B can do a piece of work in 12 days. B and C in 15 days and C and A in 20 days. If A, B and C work together, they will completer the work in :
- 15 daysfalse
- 2
- 310 daystrue
- 4
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