Verbal Reasoning - Mental Ability Questions

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

EGIK : FILO :: FHJL : ?

In the following question, select the related letter/letters from the given alternatives.

FOT : GOW : : RID  :  ?

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

MN : NM : : JK : ?

Which of the following terms follows the trend of the given list?

XYXYXYZZ, XYXYXZZY, XYXYZZXY, XYXZZYXY, XYZZXYXY, _______.

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

ST : LC : : PQ : ?

A is father of C and D is son of B. E is brother of A. If C is sister of D, how is B related to E ? 

In the folowing questions pickout the most sutiable substitute for the question mark?

6 : 222 :: 25 : ?

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

12:20::30: ?