Verbal Reasoning - Mental Ability Questions

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

12 : 54 :: 15 : ?

Select the related letters from the given alternatives.

WTQ : DGJ :: NKH : ?

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

AEIM:BFJN::CGKO:?

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

K x L : 11 x 12 : : F x R : ?

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

85 : 58 : : 64 : ?

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

36 : 9 : : 49 : ?

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

63 : 105 : : 48 : ?

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

LETTER : MFUUFS : : AHEAD : ?