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The cost of levelling and turning a square lawn at Rs 2.50 per m2 is Rs13322.50. Find the cost of fencing it at Rs 5 per metre. |
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Answer» The cost of levelling and turning a square lawn = 2.50 per m2 Total cost of levelling and turning = Rs. 13322.50 Total area of square lawn = 13322.50/2.50 = 5329 m2 Side2 = 5329 Side of square lawn = √5329 = 73 m So, total length of lawn is , = 4 × 73 = 292 m ∴ Cost of fencing the lawn at Rs 5 per metre = 292 × 5 = Rs.1460 |
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