Question

3.
A and B together can complete a job in 4 days. If A alone can complete the job in 12 days, then how
many days will B alone take to complete the job?
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Answer 1

Answer:

12

Step-by-step explanation:

Because the A or B is taking same time if the A take 2 days so the B is also taking 2 days if the A is taking 12 days so B is also taking 12