Mathematics
Medium
Question
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
✓ Official correct answer
B
12 days
C
8 days
D
9 days
Community credibility
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A
10 days
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B
12 days
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C
8 days
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D
9 days
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