Question

and B together can do a piece of work in 6 days and B alone can do the work in 9 days in how many days will be alone finish the work ​

Answer 1

Answer:

18 days

Step-by-step explanation:

Since, a alone do the work in 9 days,

So, the one day work of A =

Also, both a and b do the work in 6 days,

⇒ The combined one day work of a and b =

Thus, the one day work of b = The one day work of both a and b - One day work of a

Hence, the time taken by b alone =

Answer 2

Answer:

18

will be our answer

A+B=1/6

B=1/9

A=A+B-B=1/6-1/9

1/18

A complete the work in 18 days