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A and B separately can build a wall in 1...

A and B separately can build a wall in 12 days and 16 days, respectively. If they work alternatively, starting with A, in how many days will the wall be built?

A

`7""2/3` days

B

`13""2/3` days

C

`12""2/3` days

D

`6""3/4` days

Text Solution

Verified by Experts

The correct Answer is:
B
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