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A courtyard 18 m 72 cm long and 13 m 20 cm wide is to be paved with identical square tiles, as large as possible. How many tiles are needed?

Competition practiceNumber System, HCF & LCM
  • A4290
  • B4400
  • C2145
  • D3960

Step-by-Step Solution

Tile side = HCF(1872 cm, 1320 cm) = 24 cm. Tiles = .
Answer: A) 4290

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