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array lll 81 & 36 & 25 49 & 100 & 36 9 & 64 & 16 139 & 200 & ? array

Options

  1. A77
  2. B107
  3. C67
  4. D57

Correct answer

A. 77

Step-by-step solution

Fourth last term of every column is sum of all above values, so 25+36+16=77 .

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