In following questions, one term in number series is incorrect.
Find out the incorrect number 6, 14, 30, 64, 126

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126

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Solution

The correct option is D 64
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.

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