Multiple choice

Find out the wrong number in the following number series. $6 \ \ 7 \ \ 16 \ \ 41 \ \ 90 \ \ 154 \ \ 292$

  1. 7

  2. 16

  3. 41

  4. 90

  5. 154
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E Correct answer
Explanation

Pattern: differences are 1, 9, 25, 49, 64, 138. These should be squares of odd numbers: 1², 3², 5², 7², 9². But after 90 (should be 90+81=171), we get 154 instead of expected 171, breaking the pattern.

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