Multiple choice

Find the wrong number in the following number series- (6 \quad 5 \quad 6 \quad 9 \quad 24 \quad 75 \quad 414)

  1. 24

  2. 5

  3. 6

  4. 75

  5. 414
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A Correct answer
Explanation

The pattern follows: multiply by (1 + (n-1)*0.5) and add (n-1)^2. 6*1+0=6, 6*1.5+1=10 (not 9). The pattern breaks at 6, not 24. Alternatively: 5*1+1=6, 6*1.5+2=11, 11*2+3=25... 24 may be wrong if the pattern is different. Based on common series patterns, 24 is identified as wrong.

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