Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.

432 : 234 : : 789 : ?

Select the related letters from the given alternatives.

WTQ : DGJ :: NKH : ?

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

Antique : Old : : Weak : ?

In the following question, select the related number from the given alternatives.

446 : 443 : : 552 : ?

Select the related word from the given alternatives.

Square : 90° :: Equilateral triangle : ?

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

Sukhoi : Russia : : Tejas : ?

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

Summer : Aestivation :: Winter : ?

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

12 : 72 : : 13 : ?