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      Question

      10, 11, 7, 34, 18, 125 In the above given series,

      there is a wrong term. Find the 4th term of another series whose first term is the wrong number in the series. Both series have the same pattern.
      A 146 Correct Answer Incorrect Answer
      B 149 Correct Answer Incorrect Answer
      C 128 Correct Answer Incorrect Answer
      D 158 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      10 + 1 ³  = 11 11 – 2 ²  = 7 7 + 3 ³  = 34 34 – 4 ²  = 18 18 + 5 ³  = 143 Wrong number is 125 Now, 125 + 1 ³  = 126 126 – 2 ²  = 122 122 + 3 ³  = 149 Hence answer is option B

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