Question

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

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Answer 1

Answer:Requirement percentage =

(Area*100/ Volume)% = (4*Pi*r^2*100/ (4/3 *Pi*r^2)) %

= (3*100/ r)% = (3*100/ 10)% = 30 %

Answer 2

Answer:

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