Verbal Reasoning - Mental Ability Questions

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

ART : BSU : : MRV  :  ?

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

DHL : WSO : : CFI : ?

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

CAR : RAC : : TYRE : ?

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

5 : 124 :: 7 : ?

Select the related word from the given alternatives

Wheel : Spokes :: Fan : ___

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

18 : 30 : : 36 : ?

Select the related number from the given alternatives.

0.04 : 0.2 :: 0.09 : ?

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

JN : TB : : PB : ?