A marble tile has dimensions 20 by 15.How many tiles are required for wall of dimensions 5m by 3m
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Given, dimension of tile = 20*15
Area of one tile = 20 cm *15 cm
= 300 cm^2
Area of wall = 5 m * 3 m
= 500 cm * 300 cm
no of tiles = area of wall / area of one tile
= 500 * 300 / 300
= 500
no of tiles required is 500
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