Two typists of varying skill can do a job in 18 minutes if they work together. If the first typist alone typed for 9 minutes and then the second typist alone typed for 18 minutes, they would be left with 1/3rd of the entire work. How many minutes would it take for the faster typist to complete the typing job working alone?
1
37 minutes
2
27 minutes
3
47 minutes
4
17 minutes
5
None of these