P is twice as efficient as Q. Q takes 12 days to complete a job. If both of them work together, how much time will they take to complete the job?

P is twice as efficient as Q. Q takes 12 days to complete a job. If bo

1.	P is twice as efficient as Q. Q takes 12 days to complete a job. If both of them work together, how much time will they take to complete the job?
A.	6 days
B.	5 days
C.	4 days
D.	3 days
Answer» D. 3 days

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P is twice as efficient as Q. Q takes 12 days to complete a job. If both of them work together, how much time will they take to complete the job?

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