Question

a tile is a square of side 25 cm how many such tiles would be required to cover the floor of a square bathroom of side 3 metre​

Answer 1

Area of a tile=25×25=625cm*2

Area of

bathroom=3×3=9m=

9×10000cm=90000cm*2

no of tiles required=90000÷625=144

Answer 2

Answer:

Area of a tile = 25 × 25 = 625cm²

Area of Bathroom = 3 × 3 = 9m

9 × 10000 = 90000cm²

No. of tiles required = 90000 / 625 = 144

is your right answer