A well is dug whose diameter is 4m and the depth is 10m what is the quantity of the earth - Maths - Mensuration

Question

A well is dug whose diameter is 4m and the depth is 10m what is the
quantity of the earth taken out what is the cost of plastering it's
inner curved surface at rupees 5/m sq

Pooja · Accepted Answer

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A well is dug whose diameter is 4m and the depth is 10m what is the quantity of the earth taken out .what is the cost of plastering it's inner curved surface at rupees 5/m sq.