A floral design on the floor of a building consists of 280 tiles Each tile is in the shape of a llgm of height 3cm and base 5cm find the cost of. Polishing the design at ₹ 1.50 per sq cm
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height of a tile=3cm
base of a tile=5cm
area of one tile=height×base
=5×3=15cm²
area of 280 tiles=280×15=4200cm²
rate of polishing one tile=1.50 rupees per sq cm
total cost of polishing tiles=4200×1.50
=Rs 6300
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