Square tile of side 20 cm are to be laid
on the floor of a room 10m by 4.
5m.
how many tiles will be needed? Find
the cost of putting the tiles at 131.40
per tiles
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Answer:
No. of tiles=area of floor/area of tile
=(10m×4m)/(0.2m)²
= 40m²/0.04m²
=1000
Cost = 131.40 ×1000
= 13140
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