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? A. 814 B. 820 C. 840 D. 844 Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm. Area of each tile = (41 x 41) cm2. Required number of tiles = 1517 x 902 = 814. 41 x 41 Workspace
Required number of tiles =
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