Which type of union exists due to the support of

Select the odd one out from the given alternatives.

Select the option in which the numbers are related in the same way as are the numbers in the given set.

(18, 180, 12)

Find the ODD one out from the given options.

Select the odd letters from the given alternatives?

Find the odd number pair from the given alternatives.

Find the odd one out from the following options. 

Select the odd letters from the given alternatives?

Three of the following four number-clusters are alike in a certain way and thus form a group. Which is the one that does not belong to that group?