A marble tile measure 15 cm x 20cm. How many tiles will be needed to cover the wall of size 4cm x 6 cm
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Since there is no way a wall can 4cm × 6cm
I will take it as 4m × 6m
1 m = 100cm
Area of wall = 400cm × 600cm
= 240,000cm
Area of 1 tile = 15×20
= 300cm
tiles required to cover the wall = Area of wall ÷ Area of 1 tile
= 240,000 ÷ 300
= 800
Required tiles: 800
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