Verbal Reasoning - Mental Ability Questions

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

16 ÷ 8 - 5 x 2 + 6 = 9

Select the related word/letters/number from the given alternatives.

LNPR :TVXZ : NPRT : ?

Select the related word/letters/number from the given alternatives.

Taj Mahal : Agra : : Old Fort : ?

Select the related word/letters/number from the given alternatives.

Railway Station : Station Master : : School : ?

Select the related word/letters/number from the given alternatives.

Hi : Sr : : Fg : ?

Select the related word/letters/number from the given alternatives.

CD: GH : : ?

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

Square : Four : : ? : ?

Select the related word/letters/number from the given alternatives.

8 : 27 : : 64 : ?