What is the least number of square tiles required to pave the floor of a room 50 m 00 cm long and 11m 25 cm broad?	Choose the correct option:
A) 724
B) 804
C) 814
D) 9000
E) None
Solution   Length of largest tile = H.C.F. of 5000cm &amp; 1125cm = 25cm.   Area of each tile = (25 x 25)cm2   ∴ Required number of tiles	= [5000x1125/25x25]   = 9000.   Answer 9000
<result>D</result>
What is the least number of square tiles required to pave the floor of a room 50 m 00 cm long and 11m 25 cm broad?