Which country experienced a 12% decline in remittances

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

(43, 74, 36)

Four numbers have been given, out of which three are alike in a certain way and one is different. Select the one that is different.

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

Pick the odd one out.

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

Odd one out

Find the odd number pair from the given alternatives:

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

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.