Den is to Lion as Aviary is to 

Direction: In the following questions, select the related letters from the given alternatives.

Eye: Wink:: Heart:? 

Funk: Vitamins: Curie: ? 

Which number come at the Question mark(?)
6 : 48 : 8 : ?

Bow is to Violin as Plectrum is to 

Direction (16-20): From among the given alternatives select the one in which the set of numbers is most like the set of numbers given in the questions.

 
Given set
6, 14, 30 

Choose the odd word/letters/number/number pair from the given alternatives. 

KML : NPO :: CED : ?