Question

A and B together can do a piece of work in 15 days , B alone finish it in 20 days . ln how many days can A alone finish the work ? ​

Answer 1

Answer:

If A and B together can complete a piece of work in 15 days and B alone in 20 days, then in how many days can A alone complete the work ? ∴ A alone will do the work in 60 days. Hence option [D] is correct answer.

Step-by-step explanation:

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Answer 2

Answer:

above answer is correct