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?

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

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

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

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

Three of the following four word pairs are alike in a certain way and one is different. Pick the odd word out.

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.