Three of the following four words are alike in a certain

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

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

Find the odd numeral pair in each of the following questions.

Four numbers have been given, out of which three are alike in a certain way and one is different. Select the one that is different.

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.

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

Select the set of numbers that is similar to the following set.

(12, 187, 15)

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

Four words have been given, out of which three are alike in some manner and one is different. Select the odd word.

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