Odd Man Out and Series - Arithmetic Aptitude Questions and Answers

Home / Arithmetic Aptitude / Odd Man Out and Series :: Discussion

16, 33, 65, 131, 261, (....)

523

521

613

721

Answer : Option A

Explanation :

Each number is twice the preceding one with 1 added or subtracted alternatively.

So, the next number is (2 x 261 + 1) = 523.

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