In how many days will Y alone complete the work ? I. X and Y together can complete the wok in 8 days.II. Y and Z together can complete the work in 10 days.III. X and Z together can complete the work in 12 days.

In how many days will Y alone complete the work ? I. X and Y together

1.	In how many days will Y alone complete the work ? I. X and Y together can complete the wok in 8 days.II. Y and Z together can complete the work in 10 days.III. X and Z together can complete the work in 12 days.
A.	Only I and II
B.	Only II and III
C.	I, II and III
D.	Data is insufficient
E.	None of the above
Answer» D. Data is insufficient

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In how many days will Y alone complete the work ? I. X and Y together can complete the wok in 8 days.II. Y and Z together can complete the work in 10 days.III. X and Z together can complete the work in 12 days.

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