‘X’ completes a job in 12 days. When ‘X’ has done the job for – McqOptions

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1.	‘X’ completes a job in 12 days. When ‘X’ has done the job for three days, ‘Y’ joins him and they together complete the job in next three days. In how many days, ‘Y’ may alone complete the job ?
A.	4
B.	8
C.	10
D.	6
Answer» E.

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