Which of the following is not an output device?

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.

Find the one which does not belong to that group?

Find the one which does not belong to that group?

Find the odd set of numbers from the given alternatives?

In the following questions, select the one which is different from other three alternatives.

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

Find the odd one out from the following options. 

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

Select the option in which the numbers are related in the same way as are the numbers of the following sets.

(13, 11, 52)

(9, 27, 76)