Thirty men take 20 days to complete a job working for 9hrs a day, how
MATHEMATICS
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Thirty men take 20 days to complete a job working for 9hrs a day, how many hr(s) a day should 40 men to work to complete the job?
- (a) 8
- (b) 7.5
- (c) 7
- (d) 9
Correct Answer: (b) 7.5
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