Math and General Science > 2015 > 18
National Common Entrance Exam
Working for 10 hours a day, a painter completes a job in 15 days. How long would it take him if he works for 6 hours a day?
A.
20 days
B.
25 days
C.
30 days
D.
40 days
E.
90 days
Answer: B
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