What is the least number of squares tiles required to pave the floor of a room 6 m 75 cm long and 4 m 5 cm broad?
Choose the correct option:
A) 15 B) 20 C) 40 D) 44 E) 54
Length of largest tile = H.C.F. of 675 cm and 405 cm = 135 cm.   Area of each tile = (135 x 135) cm2.   Required number of tiles =675 x 405/(135^2)= 15   15NSWER:15
<result>A</result>
What is the least number of squares tiles required to pave the floor of a room 6 m 75 cm long and 4 m 5 cm broad?