Question

The size of a square is 10cm.How many tiles cab be fixed on a wall whose length is 3 metres and breadth 2 metres ?

Answer 1

Area of wall = 300×200 = 60000 sq cm

Area of tiles = 10× 10 = 100 sq cm

No. of tiles required = area of wall/area of tiles
= 60000/100
= 600

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Answer 2

Area of wall = 200 x 300=60000cm^2

Area of square = 10 x 10=100cm^2
Tiles that can be fixed on a wall=60000/100
=600tiles