Question
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?
Answer: Option A
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Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm.
Area of each tile = (41 x 41) cm2.
So, Required number of tiles = \(\left(\frac{1517\times902}{41\times41}\right)= 814.\)
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