A and B together can do a job in 4 days.If A can do job in 12 days if he works alone ,then how many days B alone take to complete the job?
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A and B can do 1/4 part of job in one day
A can do the 1/12 part of same job in a day
let the days that B takes to complete the job be x
1/12+1/x=1/4
1/x=1/4-1/12
1/x=1/6
In 6 days B alone do the job
A can do the 1/12 part of same job in a day
let the days that B takes to complete the job be x
1/12+1/x=1/4
1/x=1/4-1/12
1/x=1/6
In 6 days B alone do the job
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