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The space sum space of space an space infinite space geometric space series space with space positive space terms space is space 3 space and space the space sum space of space the space cubes space
of space its space terms space is space 27 over 19 space space Then space the space common space ratio space of space this space series space is

  1. 4 over 9
  2. 2 over 9
  3. 2 over 3
  4. 1 third

The correct answer is: 2 over 3


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