X can completed a job in 12 days. If X and Y work together, they can complete the job in 62/3 days, Y alone can complete the job in

X can completed a job in 12 days. If X and Y work together, they can c

1.	X can completed a job in 12 days. If X and Y work together, they can complete the job in 62/3 days, Y alone can complete the job in
A.	10 days
B.	12 days
C.	15 days
D.	18 days
Answer» D. 18 days

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X can completed a job in 12 days. If X and Y work together, they can complete the job in 62/3 days, Y alone can complete the job in

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