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Find the odd man out in the following number series? 71, 88, 113, 150, 203, 277

Correct Answer: 277

Explanation:

The given number series is 


 


71      88       113       150       203          277


   +17    +25       +37      +53        +74


        +8      +12        +16       +21


            +4          +4         +5


 


The series should be  71  88  112   150    203   276 i.e, the differences of the difference should be +4.


 


Hence, the odd man in the given series is 277.


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