Verbal Reasoning - Mental Ability Questions

Select the related word/letters/numbers from the given alternatives:

5 : 30 :: 7 : ?

Select the related word/letters/numbers from the given alternatives:

Money : Poverty : : Education: ?

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

12 : 72 : : 14 : ?

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

GIKM: RTVX :: HJLN : ?

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

305 B 5 A 28 C 43 D 12 = ?

Select the related word/letters/numbers from the given alternatives:

DHL : PTX :: BFJ : ?

Select the related word from the given alternatives.

Cotton : White :: Coal : ?

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

EF : UV : : IJ : ?