Complete the analogy:
3 : 11 : : 7 : ____

Select the option that 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.

23 : 72 :: 38 : 117 :: 46 : ?

6 : 35 : : 7 : ? 

6 : 5 : : 8 : ?

8 : 28 : : 27 : ?

Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7:729

1 : 6 : : 8 : ?

Select the option that is related to the fifth number in the same way as the second number is related to the first number and fourth number is related to third number.
121 : 145 :: 49 : 65 :: 169 :?