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A and B can do a job together in 7 days....

A and B can do a job together in 7 days. A is `1 3/4` times as efficient as B. the same job can be done by A alone in:

A

`(49)/(4)` days

B

`(49)/(3)` days

C

11 days

D

`(28)/(3)` days

Text Solution

Verified by Experts

The correct Answer is:
C
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