Verbal Reasoning - Mental Ability Questions

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

31 : 42 : : ? : ?

Select the related number from the given alternatives.

0.04 : 0.2 :: 0.09 : ?

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

JK : TV : : OP : ?

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

5 : 30 :: 7 : ?

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

DR : KK : : LN : ?

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

MT : JW : : RP : ?

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

GIKM: RTVX :: HJLN : ?

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

PZQW : NXOU :: FISK : ?