Analogy Questions

Select the related word from the given alternatives.

Cotton : White :: Coal : ?

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

ACEG : BDFH : : PRTV : ?

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

JN : TB : : PB : ?

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

ZXVT : ACEG :: SQOM :?

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

583 : 295 :: 486 : ?

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

FJSP : DLQR :: GMIL : ?

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

? : DDY : : BIG : CLL

If Ammonia : Gas then Camphor : ?