Verbal Reasoning - Mental Ability Questions

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

STM : RSL : : VSF : ?

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

7 x 16 + 20 - 20 ÷ 10 = 31

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

69 : 87 : : ? : ?

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

FMR : ELQ : : ?  :  ?

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

GOI : RZT : : FMD : ?

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then

132 & 3 # 10 @ 20 % 2 = ?

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

WYV : PRN : : TPJ : ?

Select the correct combination of mathematical signs to replace * signs and to balance the equation.

48 * 4 * 6 * 3 * 30