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Q:

The sum of the radii of 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?

  • 1
    125 : 64
  • 2
    64 : 27
  • 3
    27 : 8
  • 4
    8 : 1
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Answer : 2. "64 : 27"

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