Question

A and B together can do a piece of work in 12 days while B alone can finish it in 30 days in how many days can a alone finish this work​

Answer 1

20 days

A’s 1 day’s work = \frac{1}{12}-\frac{1}{30} = \frac{5-2}{60} = \frac{3}{60} = \frac{1}{20}

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

Answer 2

Answer:

easily do

30-12=18

answer is 18days