Three of the following four triads are alike in a certain way as they are formed by performing the same mathematical operations among themselves and thus form a group. Which triad does NOT belong to that group?

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

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

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

Find the odd word in the following options.

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

Choose the odd numeral pair/group in each of the following questions:

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?