If a work can be completed by 8 workers in 12 days, how many workers are needed to complete the same

A. 10 workers

B. 12 workers

C. 14 workers

D. 16 workers

E. None of the above

Answer: B. 12 workers

The total work is 8 workers * 12 days = 96 worker-days. To complete it in 8 days, 96/8 = 12 workers are needed.

Posted in: Time & Work - Aptitude - Mathematics