A and B can finish a work together in 30 days. B and C can finish the same work together in 24 days. A and C can finish the work together in 40 days. If all three work together, how long will it take them to complete the work?

A and B can finish a work together in 30 days. B and C can finish the

1.	A and B can finish a work together in 30 days. B and C can finish the same work together in 24 days. A and C can finish the work together in 40 days. If all three work together, how long will it take them to complete the work?
A.	15 days
B.	10 days
C.	20 days
D.	5 days
Answer» D. 5 days

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A and B can finish a work together in 30 days. B and C can finish the same work together in 24 days. A and C can finish the work together in 40 days. If all three work together, how long will it take them to complete the work?

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