What is the least number of squares tiles required to pave the floor of a room 4 m 5 cm long and 2 m 25 cm broad?
Pick one
A) 14	B) 20	C) 40	D) 44	E) 45
Length of largest tile = H.C.F. of 405 cm and 225 cm = 45 cm.   Area of each tile = (45 x 45) cm2.   Required number of tiles =405 x 225/(45^2)= 45.   ANSW45R:45
<result>E</result>
What is the least number of squares tiles required to pave the floor of a room 4 m 5 cm long and 2 m 25 cm broad?