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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q13
A solid sphere is cut into two hemispheres. The ratio of the surface areas of sphere to that of two hemispheres taken together, is:
A solid sphere is cut into two hemispheres. The ratio of the surface areas of sphere to that of two hemispheres taken together, is :
Official answer
(C)
$\displaystyle 2$ : $\displaystyle 3$
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