Who among the following is known as the Father of the

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

Choose the odd one.

Number of letters skipped in between adjacent letters goes on increasing successively by three in the series. Identify the set following the above rule.

   Select the option in which the numbers shares the same relationship in set as that shared by the numbers in the given set.

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

Find the odd one out

Find the odd one out.

Arrange the letters of each group to make a meaningful word and find the odd man out:

Four number-pairs are given, three of which are alike in certain manner and one is different. Choose the different number-pair.