Question

a and b together can do a piece of work in 8days and b alone can do it in 12 days in how many days can A do it alone​

Answer 1

Answer:

24 days

Step-by-step explanation:

A’s one day’s work = 1 / 12

(A + B)’s one day’s work = 1 / 8

∴ B’s one day’s work =

= 1 / 8 - 1 / 12 = 3 - 2 / 24 = 1 / 24

∴ B alone can do the work in 24 days.