Mathematics
Medium
Question
15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?
A
48 days
B
24 days
C
40 days
D
36 days
✓ Official correct answer
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A
48 days
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B
24 days
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C
40 days
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D
36 days
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