$If the vomume and the surface area of a sphere are numerically the same then its radius is (a) 1 u n i t (b) 2 u n i t s (c) 3 u n i t s (d) 4 u n i t s$

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Solution

Surface area of sphere = 4πr2
volume of sphere is 4/3 πr3
3r² = r^3.
when volume and surface area is equal then the radius will be 3 units

Ans-c

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If the vomume and the surface area of a sphere are numerically the same then its radius is(a) 1 unit (b) 2 units (c) 3 units (d) 4 units

Surface area of sphere = 4πr2 volume of sphere is 4/3 πr3 3r² = r^3. when volume and surface area is equal then the radius will be 3 units Ans-c

$If the vomume and the surface area of a sphere are numerically the same then its radius is (a) 1 u n i t (b) 2 u n i t s (c) 3 u n i t s (d) 4 u n i t s$

Surface area of sphere = 4πr2
volume of sphere is 4/3 πr3
3r² = r^3.
when volume and surface area is equal then the radius will be 3 units

Ans-c