Question

A and B together can complete a job in 4 days. If A alone can complete the job in 12 days ,then how many days will B alone take to complete the job?​

Answer 1

Answer:

there is a direct formula

4(12+x)=12x

48+4x=12x

x=6

6days is yo answer.....

Answer 2

Answer:

If A takes 12days

then B will take 6 days to complete the work