Square tiles paving a floor
CMAT 2021 · Quantitative Techniques & Data Interpretation · Easy · HCF and LCM
The dimensions of a floor are . What is the smallest number of identical square tiles that pave the entire floor without the need to break any tile?
- A.
6
- B.
24
- C.
8
- D.
12
Answer
D
Explanation
To minimize the number of square tiles, we must maximize the side length of each tile. Side length of tile = .
Number of tiles required = .
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