Verbal Reasoning - Mental Ability Questions

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

MZU : CPK : : QSP : ?

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

12 : 72 : : 14 : ?

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

Wheel : Cycle : : ? : ?

Select the missing number based on the given related pair of numbers.

1990 : 1394 :: ___ : 2017

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

Perimeter : Hexagon : : ? : ?

What will come in place of the question mark (?) in the following number series?

256, ?, 190, 167, 148, 131

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

DEMONSTRATE : NOMEDSETART : : CORRUPT : ?

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