Who discovered the nucleus of the

Select the letter cluster which does not belong to the same group from the given alternatives.

Find the odd one out.

Find the odd one out

Select the option in which the numbers are NOT related in the same way as are the numbers of the following set.

(12, 72, 720)

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

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

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

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

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