Mathematics
Medium
Question
How many paying stones, each measuring 2 1/2 m * 2 m are required to pave a rectangular court yard 30 m long and 16 1/2 m board?
A
99
✓ Official correct answer
B
90
C
95
D
100
Community credibility
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A
99
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B
90
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C
95
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D
100
No member explanations yet for this option.