Verbal Reasoning - Mental Ability Questions

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

IMO : PTV : : KOQ : ?

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

31 : 3 : : 23 : ?

In the following question, select the related word pair from the given alternatives.

Flag : Nation : : ? : ?

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

16 : 21 : : ? : ?

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

DFG : EGH : : PRS : ?

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

YYYYYYX, YYYYYXX, YYYYXXX, YYYXXXX, YYXXXXX, _______________.

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

BCE : IJL : : CDF : ?

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

ACD : ZXW : : PMN : ?