Aptitude - Odd Man Out and Series - Discussion

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Q.

1, 4, 9, 16, 20, 36, 49  .                          


A. 1 B. 9
C. 20 D. 49

Answer: Option C
Explaination:

 


The pattern is 12, 22, 32, 42, 52, 62, 72. But, instead of 52, it is 20 which to be turned out.




Discussion

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