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

7689 : 120 :: 6178 : 88 :: 3284 : ?

68

logic followed is :

(Sum of all the digits of first term) × 4 = Second term

7689 : 120

( 7 + 6 + 8 + 9 ) = 30 × 4 = 120

6178 : 88

( 6 + 1 + 7 + 8 ) = 22 × 4 = 88 

Similarly ,

3284 : ?

( 3 + 2 + 8 + 4 ) = 17 × 4 = 68

68 , is correct answer .