HCF & LCM · Question 10 · Medium
A hall floor measures 6.24 m by 4.32 m. What is the least number of identical square tiles needed to cover it exactly?
- 108
- 126
- 96
- 117
Answer and explanation
Answer: D. 117
Explanation: The largest tile side is HCF(624, 432) cm = 48 cm. Tiles needed = (624/48) × (432/48) = 13 × 9 = 117.
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