Question

Hat 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?

Answer 1

ength 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) divided by (41 x 41)
                                         = 814