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Find the cost of sinking a tubewell 280m deep, having 3m at the rate of Rs. 3.60 per cubic metre. Find also the cost of cementing its inner curved surface at Rs 2.50 per square metre. |
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Answer» Find the cost of sinking a tubewell 280m deep, having 3m at the rate of Rs. 3.60 per cubic metre. Find also the cost of cementing its inner curved surface at Rs 2.50 per square metre. |
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