Mathematics
NULL
Medium
Question
A rectangular courtyard 3.78 m long and 5.25 m broad is to be paved exactly with square tiles of the same size. The minimum number of such tiles is _________?
A
430
B
440
C
450
✓ Official correct answer
D
460
Community credibility
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A
430
No member explanations yet for this option.
B
440
No member explanations yet for this option.
C
450
No member explanations yet for this option.
D
460
No member explanations yet for this option.
Explanation
In cm: 378 and 525; gcd = 21. Minimum tiles = (378×525) / 21² = 450.