A and B can do a job in 10 days and 5 days respectively. They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 40% of the job?
A. 15 days
B. 18 days
C. 10 days
D. 12 days
Answer: Option D
This Question Belongs to Arithmetic Ability >> Time And Work
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