Verbal Reasoning - Mental Ability Questions

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

Ohm : Resistance : : ? : ?

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

411 B 3 A 29 C 53 D 20 = ?

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

15 : 17 : : 23 : ?

What is the next number in the series

4, 8 , 8, 16, 12, 24, __

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

XxXXXXX, XXxXXXX, XXXxXXX, XXXXxXX,XXXXXxX, _______________.

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

Room : House : : ? : ?

Select the related word/letters/numbers from the given alternatives:

Summer : Aestivation :: Winter : ?

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

AMC : COE : : RAX  :  ?