The floor of a rectangular hall has a perimeter of 250 m. Its height is 6 m. Find the cost of painting its four walls at the rate of ₹6 per square metre
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Perimeter of floor = 250 m Height = 6 m Area of 4 walls = 250 × 6 = 1500 m² Cost of painting 1 sq. m = Rs. 6 Cost of painting 4 walls = 1500 × 6 = Rs.9000
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