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Kareena can do a piece of work in 9 days...

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?

A

12

B

8

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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