The surface area of two spheres are in the ratio 4 : 9. What is the ra – McqOptions

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1.	The surface area of two spheres are in the ratio 4 : 9. What is the ratio of their volumes ?
A.	8 : 27
B.	16 : 81
C.	2 : 3
D.	4
Answer» B. 16 : 81

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