Krishna can do a work in 10 days while Mohan can do the same work in 2 – InterviewSolution

1.	Krishna can do a work in 10 days while Mohan can do the same work in 20 days. They started work together. After 3 days Krishna left the work and Mohan completed it. For how many days Mohan worked alone more than the number of days required when both worked together ?
Answer» `4 1/3` `3 1/4` `2 3/5` `3 2/3` ANSWER :A

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