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Odd man out: 6, 14, 30, 64, 126

6

14

64

126

Explanation:

Each term is multiplied by 2 and then increased by 2 to obtain the next term.

So, 64 is wrong and must be replaced by (30 * 2 + 2) i.e. 62.

Hence, option 3 is the correct answer.

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