Multiple choice

Directions: In the following number series, only one number is wrong. Find out the wrong number. 8 12 24 46 72 108 152

  1. 12

  2. 24

  3. 46

  4. 72

  5. None of these
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C Correct answer
Explanation

The pattern is: 8 + 4 = 12, 12 + 12 = 24, 24 + 20 = 44 (not 46), 44 + 28 = 72, 72 + 36 = 108, 108 + 44 = 152. The differences are increasing by 8 each time (4, 12, 20, 28, 36, 44). Thus, 46 is the wrong number.

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