Two solid spheres have volumes 250cmo and 128cmo respectively. Find the ratio of their radii.
-
A.
125:64 -
B.
25:16 -
C.
2:1 -
D.
4:3 -
E.
5:4
Correct Answer: Option E
Explanation
4/3πR34/3πr3
=
250180
= (R/r)3 = 5:4
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