Question

A and B can finish a work together in 12 days. B alone can finish it in 30 days . in how many days A alone can finish the work​

Answer 1

Answer-

20 days

Explanation-

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