The numbers of arbitrary constants in the particular

Select the option that is related to the fourth word in the same way the second word is related to the first word.

REST : TBUQ:: VALUES:?

Select the option that is related to the third word in the same way as the second word is related to the first word.  

Won : Korea :: Lira : ?

450 : 30 :: 242 : ?

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

PQRS : TUVW : : MNOP : ?

In a certain code language 'I' is coded as '18' and 'R' is coded as '36' then 'TIN' will be coded as ____ in the same code language. 

Select the option that is related to the third number in the same way as the second number is related to first number.

24 : 126 :: 48 : ?

Choose another pair of words with the same relationship as the one given below.

Backstroke: ? : :  Bouncer: Cricket