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      Question

      In each of the following number series, one term is

      missing. Find the missing term. 121, 100, 81, ?, 49, 36
      A 39 Correct Answer Incorrect Answer
      B 87 Correct Answer Incorrect Answer
      C 64 Correct Answer Incorrect Answer
      D 27 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      These are perfect squares in descending order: 112 = 121 102 = 100 92 = 81 82 = 64 72 = 49 62 = 36 So the missing term is 64.

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