Direct mail and catalogue retailing are examples

Select the option that is related to the third word in the same way as the second word is related to the first word.

Joy: Delight :: Barrier: ?

Select the option that is related to the first number in the same way as the fourth number is related to the third number.

3478 : ? :: 6527 : 114

Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.

If N = 28, NET = 78, then ‘NEAT’ will be equal to? 

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

(25, 11, 275)

Select the option that is related to the third term in the same way as the second term is related to the first term.

PALM : KZON :: SORE : ?

Awful : Terrible :: Descent : ?