"A and B can do a work in 8 days, B and C can do the same work in 12 days.
Channel: Doubtnut
Date: 05/04/2020

"A and B can do a work in 8 days, B and C can do
 the same work in 12 days. A, B and C together can finish it in 6 days. A and
 C together will do it in 
`4\ d a y s`
b. `6\ d a y s`
c. `8\ d a y s`
d. `12\ d a y s`"