X, Y, and Z together can complete a work in 20 days. Y and Z can compl – McqOptions

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1.	X, Y, and Z together can complete a work in 20 days. Y and Z can complete the same work in 30 days. In how many days can X complete the same work alone?
A.	60
B.	45
C.	40
D.	50
Answer» B. 45

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