20 man can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?
A. 30
B. 25
C. 35
D. 28
Answer: Option C
Related Questions on Time and Work
A. 18 days
B. 24 days
C. 30 days
D. 40 days
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