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      Question

      If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 =

      ?
      A 3 Correct Answer Incorrect Answer
      B 5 Correct Answer Incorrect Answer
      C 6 Correct Answer Incorrect Answer
      D 9 Correct Answer Incorrect Answer

      Solution

      6 – 5 = 1, 5 – 4 = 1 β‡’ 1 + 1 = 2 7 – 1 = 6, 6 – 2 = 4, β‡’ 6 + 4 = 10 7 – 3 = 4, 8 – 3 = 5 β‡’ 4 + 5 =Β 9

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