Kareena can do a piece of work in 9 days and Karishma can do the same – InterviewSolution

1.	Kareena can do a piece of work in 9 days and Karishma can do the same work in 18 days. They started the work. After 3 days Shahid joined them, who can complete alone the same whole work in 3 days. What is the total number of days in which they had completed the work?
Answer» 12 8 4 6 Answer :C

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