If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he workedÂ alone?

If A and B together do a job in 7.5 days and if A could do the job in

1.	If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he workedÂ alone?
A.	30
B.	40
C.	25
D.	50
Answer» B. 40

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If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he workedÂ alone?

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