Select the option which is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 53 : 7 :: 77 : 10 :: 69 : ?

108 is related to 12 following a certain logic. Following the same logic, 234 is related to 26. To which of the following is 198 related, following the same logic? (NOTE: Operations should be performed on whole numbers.)

Select the option that follows the same set of mathematical operations as given in the reference sets below. (NOTE: Operations must be performed on whole numbers without breaking down digits.) Set 1: 8 - 64 - 84 - 252 Set 2: 12 - 144 - 164 - 492