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C takes 6 days to complete half of a work and D takes 5 days to complete 1/3rd of the same work. They take turns to complete the task. If C works for the first 4 days, in how many days will D complete the rest of the work without the help of C? | |
A. | 10 days [Correct Answer] |
B. | 12 days [Wrong Answer] |
C. | 8 days [Wrong Answer] |
D. | 9 days [Wrong Answer] |