Question

A tile is a square of side 25 cms how many such tiles will be required to cover the floor of a square bath room of side 3 m

Answer 1

• No. of tiles is equal to

                   Area of floor / Area of 1 tile

                = [300 cm x 300 cm]/[25 cm x 25 cm ]

                 = 144

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Answer 2

no of tiles =300×300/25×25
=12×12 =144 tiles