A marble tile measures 12cm × 10cm. How many tiles will be required to cover a wall of size 4m by 3m? Also, find the total cost of the tiles at ₹22.50 per tile.
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no of tiles =area of wall/area of one tiles
=(4 x 3 /12 x 10) x 10000
=1000
total cost =22.5 x 1000=2250 Rs
=(4 x 3 /12 x 10) x 10000
=1000
total cost =22.5 x 1000=2250 Rs
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