Which ancient Indian texts were included in the UNESCO

Find the odd set of numbers from the given alternatives?

From the given alternatives, select the word that cannot be formed using the letters of the given word.

TRANSPARENCY

Find the one which does not belong to that group?

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

Find the odd one out from the following options. 

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. 

Four pairs of letter-cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.

Three of the following four sequences of letters are alike in a certain way and one is different. Pick the odd one out.

Select the option in which the numbers do not share the same relationship as that shared by the given pair of numbers.

34 : 408