Verbal Reasoning - Mental Ability Questions

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

ROK : SNL : : PAT : ?

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

54 B 6 A 4 C 2 D 5 = ?

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

CEG : IKM : : FHJ : ?

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

42 : 55 : : ? : ?

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

WYV : PRN : : TPJ : ?

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

School : Education : : ? : ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

1 ÷ 14 x 30 + 20 - 10 = 12

Select the missing figure based on the given related pair of figures.