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

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

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

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

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

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

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

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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?