Math MCQ: A and B can complete a piece of work in 12 days. A alone can complete it in 20 days. In how many days can B alone complete the work?

A and B can complete a piece of work in 12 days. A alone can complete it in 20 days. In how many days can B alone complete the work?

Correct Answer: 30 days

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WhatsApp+91 99922 70404Math MCQ: A and B can complete a piece of work in 12 days. A alone can complete it in 20 days. In how many days can B alone complete the work? | Extra Education