Question

The floor of a room of 72 m length and 4 cm breath is to be tiled. How many tiles will be required for this job if each square tile to be used having side of 30 cm ​

Answer 1

Answer:

Step-by-step explanation:

Length of the floor = 72m = 7200cm

Breadth of floor = 4m = 400cm

Therefore, area of floor = L x B

= 7200 x 400

= 2880000 sq.cm

Side of square tile = 30 cm

Area of square tile = 30 x 30

= 900sq.cm

No. of tiles that will fit the floor = Area of floor / Area of tile

= 2880000 / 900

= 3200

Therefore, 3200 tiles will be needed to tile the floor.

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