Question: A can do half as much work as B in one day. B alone can do a certain work in 12 days. In how many

A can do half as much work as B in one day.

B alone can do a certain work in 12 days.

In how many days can A and B together finish that work?

(a) 6 days

(b) 7 days

(c) 8 days

(d) None of these.

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