Complete Numeric Series given below: 1, 13, 37, 73

1, 13, 37, 73,?

  1. 120
  2. 123
  3. 125
  4. 121
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    Answer: (4) 121
    Explanation:-

    1 + 1 x 12 = 13,      13+ 2 x 12 = 37,               37 + 3 x 12 = 73, 73 + 4 x 12 = 121.
    Hence, the next number will be 121.

    Anurag Mishra Professor Answered on 3rd June 2015.
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