Which of the following numbers will replace the question

Find the odd one out of the choices given therein.

Select the option in which the letters are not related in the same way.

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

Select the one which is different from other three alternatives.

Three of the following four words are alike in a certain manner and one is different. Select the odd word.

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.

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

Find the odd one out

Statement:

Only a few Gold are Silver

No Gold are Diamond

Conclusion:

I. Some Silver are not Diamond