In what year was the Hindu Marriage Act

Find the odd one out 

Four number-pairs are given, three among them are alike in certain manner and one is different. Choose the different number-pair.

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

Find the odd set of numbers from the given alternatives?

Select the letter cluster which does not belong to the same group from the given alternatives.

Three of the following four words are alike in a certain manner and one is different. Select the odd word.

Find the odd word from the given alternative.

Find the odd one out

Select the related odd word/letters/number/ figure from the given alternatives.

Find the odd set of numbers from the given alternatives?