Verbal Reasoning - Mental Ability Questions

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

14 + 16 ÷ 40 x 8 - 48 = 46

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

HI : 17:: PQ : ?

Select the related word from the given alternatives.

Yellow : Lemon :: Purple : ?

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

18 : 30 : : 36 : ?

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

56 : 72 : : 90 : ?

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

CDE : XWV : : ? : QPO

Select the related word from the given alternatives.

Cotton : White :: Coal : ?

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

Book : Pages : : ? : ?