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      Question

      If 32 @ 10 = 32 and 42 @ 30 = 76, then 28 @ 56 =

      '?'.
      A 140 Correct Answer Incorrect Answer
      B 148 Correct Answer Incorrect Answer
      C 150 Correct Answer Incorrect Answer
      D 144 Correct Answer Incorrect Answer

      Solution

      {(3 x 2) + 10} x 2 = {6 + 10} x 2 = 16 x 2 = 32 {(4 x 2) + 30} x 2 = {8 + 30} x 2 = 38 x 2 = 76 {(2 x 8) + 56} x 2 = {16 + 56} x 2 = 72 x 2 = 144

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