A and B can do a job together in 7 days. A is 1 times as efficient as B. The same job can be done by A alone in :
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Q 1413312240.
A and B can do a job together in 7 days. A is 1 times as efficient as B. The same job can be done by A alone in :
A
` 9 1/3` days
B
`11` days
C
` 11 1/4` days
D
` 12 1/3` days
E
None of these
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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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