Multiple choice

A number in the given number series is incorrect. Find the wrong number. 120, 143, 168, 196, 224

  1. 168

  2. 120

  3. 196

  4. 224
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C Correct answer
Explanation

The pattern is 120, 143 (+23), 168 (+25), 195 (+27), 224 (+29). The number 196 breaks this pattern - it should be 195. The correct series should be 120, 143, 168, 195, 224.

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