A and B can together do a price of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it?

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Question: A and B can together do a price of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it?

1.30 days

2.40 days

3. 45 days

4. 60days

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  1. A and B can together do a price of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it?
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