130 rate of Rs- 30 per - m - - 2 - - - inner curved surface area- diameter of the well- capacity of the well

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130 rate of Rs. 30 per $ m ^ { 2 } , $ find inner curved surface area. diameter of the well. capacity of the well

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130 rate of Rs. 30 per \( m ^ { 2 } , \) find inner curved surface area. diameter of the well. capacity of the well