Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.30 m ...

Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.30 m space around the room. A side of square tile is given to be 20 cms?

Quiz

Answer/Solution

714

Steps/Work

Area of the room =3.4 * 8.4 = 28.56
Area of the tile = 0.2 *0.2=0.04
No. of tiles = 28.56/0.04 =714
Answer : B