1.

The sum of radii spheres A and B is 14 cm, the radius of A being larger than that of B. The difference between their surface areas is 112 π. What is the ratio of the volumes of A and B?

A. 64 : 27
B. 8 :1
C. 27 : 8
D. 125 : 64
Answer» B. 8 :1


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