Odd Man Out

In all other groups, the second, third and first letters are alternate letters of the alphabet in order.

Centaur is the only imaginary creature in the group.

All except White are colours of the rainbow.

This is the only group containing three vowels.

Swimming ,Sailing and,Diving are related with water. So, Driving is odd one.

In all other groups, the first, third and fifth as well as the second and fourth letters are consecutive and the second letter is two steps ahead of the fifth.

Each of the numbers except 144, is a perfect cube.

Potato is the only vegetable in the group which grows underground.

All other groups contain alternate letters of the alphabet in order.

All others are general books.