Which sequence correctly orders these Indian Prime

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

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

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

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

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.

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?

Four of the following five are somehow similar and therefore create a group. Which is not related to this group?

U, F, Z, O, S

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.

Find the one which does not belong to that group?

Which of the following letter cluster is the odd letter cluster?