What is the least number of squares tiles required to pave the floor of a room 2 m 42 cm long and 1 m 76 cm broad? Pick:  A) 88  B) 82  C) 84  D) 44  E) 54
Length of largest tile = H.C.F. of 242 cm and 176 cm = 22 cm.   Area of each tile = (22 x 22) cm2.   Required number of tiles =242 x 176/(22^2)= 88.   88NSWER:88
<result>A</result>
What is the least number of squares tiles required to pave the floor of a room 2 m 42 cm long and 1 m 76 cm broad?