Find out the wrong term.

In the following question one term in the number series is wrong. Find out the wrong term.
11, 42, 39, 164, 525, 421, 749

  1. 164
  2. 421
  3. 525
  4. 749
Anurag Mishra Professor Asked on 9th January 2016 in Reasoning Questions.
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  • 1 Answer(s)

    Answer: (2) 421

    Solution:-

    1² = 1 x 1
    = 1,
    2² = 2 x 2
    = 4,
    3² = 3 x 3
    = 9,
    5² = 5 x 5
    = 25,
    4² = 4 x 4
     = 16, 

    7² = 7 x 7
    = 49

    Then, the wrong term is 421.

    Hence, the correct answer is option (2) 421.

    Anurag Mishra Professor Answered on 11th January 2016.
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