A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor? Choose the most appropriate option.
A) 176  B) 175  C) 185  D) 188  E) None
Solution   Area of the room	= (544 x 374)cm ²   Size of largest square tile	= H.C.F of 544 &amp; 374cm   = 34 cm   Area of 1 tile	= (34 x 34)cm²   Number of tiles required	= [544 x 374 / 34 x 34]   = 176.   176nswer 176
<result>A</result>
A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor?