Which dance form is a popular folk tradition in

Find the odd one out from the following options. 

Choose the odd one from the following

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.

Select the odd letters from the given alternatives?

In the following question, select the odd word from the given alternatives.

In the following question, select the odd pair of numbers from the given alternatives.

Find the odd word from the given alternative.

Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.

Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.

Find the odd one that does not belong to that group.