Mathematics
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Medium
Question
Food in a fort is enough for 600 men for a month. If 400 more men arrive, how long will the food last?
A
20 days
B
18 days
✓ Official correct answer
C
28 days
D
36 days
Community credibility
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A
20 days
No member explanations yet for this option.
B
18 days
No member explanations yet for this option.
C
28 days
No member explanations yet for this option.
D
36 days
No member explanations yet for this option.
Explanation
Taking a month as 30 days: food = 600×30 man-days; for 1000 men → 18 days.