Multiple choice

Find the wrong number in the series from the given alternative. 5, 22, 56, 108, 175

  1. 22

  2. 56

  3. 5

  4. 108
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D Correct answer
Explanation

The pattern is n² + n: 2²+2=6, 4²+4=20, 7²+7=56, 10²+10=110, 13²+13=182. The numbers 5, 22, 108, 175 don't fit this pattern. Specifically, 108 should be 110 (10²+10), making it the wrong number.

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