X, Y and Z can complete a work alone in 24, 36 and 18 days respectivel – McqOptions

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1.	X, Y and Z can complete a work alone in 24, 36 and 18 days respectively. In how many days can X, Y and Z together complete 1/2 of the same work ?
A.	10 days
B.	6 days
C.	4 days
D.	8 days
Answer» D. 8 days

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