Mathematics
NULL
Medium
Question
If 6 men take 9 days to finish a work, how many men are needed to finish it in 3 days?
A
2 men
B
12 men
C
9 men
D
18 men
✓ Official correct answer
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A
2 men
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B
12 men
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C
9 men
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D
18 men
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Explanation
Total man-days = 6 × 9 = 54. For 3 days: 54/3 = 18 men.