Verbal Reasoning - Mental Ability Questions

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

ART : BSU : : MRV  :  ?

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

37: 10 :: 65: ?

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

36 : 12 : : 72 : ?

If signs - and x, and numbers 3 and 15 are interchanged, what is the value of 3+12/6-4x15 is

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

Clever : Smart : : Apprehensive : ?

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

Square : Perimeter : : ? : ?

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

JK : TV : : OP : ?

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

RAM : NWI : : LIP  :  ?