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math & puzzles Online Quiz - 90
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What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
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A
814
💡 Explanation:
Dimensions are 1517 cm and 902 cm. The HCF of 1517 and 902 is 41. The area of one tile is 41*41. Number of tiles = (1517 * 902) / (41 * 41) = 37 * 22 = 814.