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Krishna can do a work in 10 days while M...

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 ?

A

`4 1/3`

B

`3 1/4`

C

`2 3/5`

D

`3 2/3`

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The correct Answer is:
A
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