Verbal Reasoning - Mental Ability Questions

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 = ?

If the mathematical operator, '+' means 'x', '/' means '-', '-' means '+', and 'x' means '/', then the value of 11 +14 x7- 5 / 29 is

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

FMR : ELQ : : ?  :  ?

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.

Elephant : Mammal : : ? : ?

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

BGR : CIU : : HCY : ?

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

30 ÷ 2 - 10 x 6 + 5 = 35

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

Sedimentary : Rocks : : ? : ?