What is the least number of square tiles required to pave the floor of a room 12 m 12 cm long and 1m 20 cm broad?  Answers
A) 1010	B) 804	C) 814	D) 844	E) None
Solution   Length of largest tile = H.C.F. of 1212cm &amp; 120cm = 12cm.   Area of each tile = (12 x 12)cm2   ∴ Required number of tiles	= [1212x120/12x12]   = 1010.   1010nswer 1010
<result>A</result>
What is the least number of square tiles required to pave the floor of a room 12 m 12 cm long and 1m 20 cm broad?