Question

A and B together can finish a piece of work in 12 days. If A alone can finish the same work in 30 days, in how many days B alone can finish it? ?​

Answer 1

Answer:

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Answer 2

20 days

A’s 1 day’s work =

1/12-1/30=

5-2/60=3/60=

1/20

So, A alone will complete the work in 20 days.

Hence option [C]

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