A and B can do a piece of work in 18 days. B and C can do it in 24 days. A and C can do it in 36 days. In how many days they can complete the work if they work together?
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A and B can do a piece of work in 18 days. B and C can do it in 24 days. A and C can do it in 36 days. In how many days they can complete the work if they work together?
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Answer: 16 days
Step-by-step explanation:
Given , A + B 1 day's work = 1 / 18 days ...(1)
B + C 1 day's work = 1 / 24 days .....(2)
A + C 1 day's work = 1 / 36 days .....(3)
adding these above equation , we get
A ,B ,C can do a work in 16 days
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