A and B can finish a work in 12 days while A alone can do the same work in 20 days.

A and B can finish a work in 12 days while A alone can do the same work in 20 days. In how many days B alone will complete the work?

Quiz

Answer/Solution

30 days

Steps/Work

B = 1/12 – 1/20 = 2/60 = 1/30=> 30 days
Answer: B

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A and b can finish a work in days while a alone can do the same work in days. In how many days b alone will complete the work?

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