Verbal Reasoning - Mental Ability Questions

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

56 : 51 : : 76 : ?

Select the missing term based on the given related pair.

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

GSR : HTP : : ? : ?

Which of the following terms follows the trend of the given list?

PRRQPQPQ, PQRRPQPQ, PQPRRQPQ, PQPQRRPQ, PQPQPRRQ, _______________.

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

ACD : ZXW : : PMN : ?

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

House : Servant : : ? : ?

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

KPV : LQW : : BOY : ?

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

411 B 3 A 29 C 53 D 20 = ?