A can do a piece of work in 12 hours, B and C together can do it in 9 hours, while A and C together can do it in 6 hours. How long will B alone take to do it ?

A can do a piece of work in 12 hours, B and C together can do it in 9 hours, while A and C together can do it in 6 hours. How long will B alone take to do it ?

A) 24
B) 12
C) 36
D) 48

Answer & Solution

Answer: Option A
Solution:
24.