P1 alone can do $${2\over 3}$$ of the work in 8 days. P2 alone can do $${7\over 12}$$ of the work in 14 days. P3 alone can do $${8\over 15}$$ of the work in 16 days. In how many days can they complete the work, if all three work together?
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Q:
P1 alone can do $${2\over 3}$$ of the work in 8 days. P2 alone can do $${7\over 12}$$ of the work in 14 days. P3 alone can do $${8\over 15}$$ of the work in 16 days. In how many days can they complete the work, if all three work together?
- 1$${60\over 19}$$ daysfalse
- 2$${120\over 9}$$ daystrue
- 3$${100\over 17}$$ daysfalse
- 4$${80\over 17}$$ daysfalse
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