For a sphere of radius 10 cms. the numerical value of the surface area is how many per cent of the numerical value of its volume?

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Accepted Answer

Surface area sphere = 4π x (10)2 volume sphere=4π/3 x (10)3 = (4000π/3) cm3 ∴ Required percentage = {(400π x 3) / (4000π)} x 100 % = 30%

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