how many squares tiles of side is 30 cm will be required for a floor 18m long and 15m wide? is the cost of a tile is ₹2.50, find the cost for covering the floor with the tiles.
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Answer:area of tiles required =area of room\area of tiles
=18×15/30×30
=3000 tiles is required
Cost of placing tiles =3000×2.50
=₹7500
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