John can paint a house in 15 days; Joe can do the same in 10 days; while James can do it in 5 days. If all the three work together, then what part of the job can they complete in one day?

John can paint a house in 15 days; Joe can do the same in 10 days; whi

1.	John can paint a house in 15 days; Joe can do the same in 10 days; while James can do it in 5 days. If all the three work together, then what part of the job can they complete in one day?
A.	13/33
B.	1/3
C.	11/30
D.	None of the above
Answer» D. None of the above

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John can paint a house in 15 days; Joe can do the same in 10 days; while James can do it in 5 days. If all the three work together, then what part of the job can they complete in one day?

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