N men can complete a job in 12 days. The same job can be completed by (N plus 6) men in 8 days. Find the value of N.
A9
B11
C8
D12 ✓ Correct
Correct answer: (D) 12
Explanation
N = 12.
Total work = N x 12 person-days = (N + 6) x 8.
12N = 8N + 48.
4N = 48.
N = 12.
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