X alone can complete a work in 6 days and Y alone can complete the sam – McqOptions

MCQOPTIONS

1.	X alone can complete a work in 6 days and Y alone can complete the same work in 30 days. If X and Y work together, then in how many days work will be completed?
A.	5
B.	4
C.	6
D.	4.5
Answer» B. 4

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