Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.

11 : 16 : : ? : ?

In the following question, select the related letter/letters from the given alternatives.

ROK : SNL : : PAT : ?

In the following question, select the related number from the given alternatives.

46 : 52 : : ? : ?

In the following question, select the related number from the given alternatives.

432 : 234 : : 789 : ?

Which number will fit both the series of numbers?

Series A : 1, 4, 9,...
Series B : 1, 8, 27,...

In the following question, select the related word pair from the given alternatives.

House : Servant : : ? : ?

Choose the related word/letters/number from the given alternatives.

DR:SE :: NC: ?

In the following question, select the related number from the given alternatives.

46 : 48 : : 61 : ?