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The cost of fencing a square plot at the rate of Rs. 15 per metre is Rs. 3780. What will be the cost of flooring the plot at the rate of Rs. 3 per square meter?

The cost of fencing a square plot at the rate of Rs. 15 per metre is Rs. 3780. What will be the cost of flooring the plot at the rate of Rs. 3 per square meter? Correct Answer <span style=" line-height: 107%; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Rs. 11907</span>

Perimeter of square = 3780/15 = 252

⇒ 4a = 252

Side (a) = 252/4 = 63

Area of square = a2 = 632 = 3969

Cost of flooring the plot = 3979 × 3 = Rs. 11907

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