A wall tile is of dimension 25cm x 20 cm. Hess many tiles are required to cover a wall of measurement 4mx3m?
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Answer:
area of the tile= 25cm×20cm
=500cm
area of the wall=4m×3m
=12m or 1200cm
no. of tiles = area of the wall ÷area of the tile
= 1200cm÷500cm
=2.4tiles
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