Home » Aptitude » Odd Man Out and Series

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

Correct Answer: 20

Explanation:

The pattern is 1 2, 2 2, 3 2, 4 2, 5 2, 6 2, 7 2. But, instead of 5 2, it is 20 which to be turned out.

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