What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?  Choose the correct choice:  A) 814  B) 800  C) 100  D) 200  E) 456
Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm.   Area of each tile = (41 x 41) cm2.   Required number of tiles = (1517 x 902)/41 x 41 = 814.   814nswer:814
<result>A</result>
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?