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Volumes of two spheres are in the ratio
$64:27$
. The ratio of their surface areas is
A
$3:4$
B
$4:3$
C
$9:16$
D
$16:9$
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Solution
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Correct option is D)
Volume of sphere
$=34 πr_{3}$
Ratio of volumes of two years
$=64:27$
Surface area=
$4πr_{2}$
$r_{1}:r_{2}=4:3$
Surface area of sphere
$16:9$
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