Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Option

Choose the related word/letters/number from the given alternatives.
 AF : BE : : ? : DH

In each of the following questions, certain pairs of words are given, out of which the words in all pairs except one, bear a certain common relationship. Choose the pair in which the words are differently related?

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

Find the odd word/number/letters/number pair from the given alternatives.

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