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Q: 40 men can complete a piece of work in 40 days. They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in

A. $$ 56{2\over 3} days $$
B. $$ 53{1\over 3} days $$
C. 52 days
D. 50 days
Answer» B. $$ 53{1\over 3} days $$


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