In each of the following questions, select the related word/ number/ letter from the given alternatives.

Heart : Cardiologist : : Eye : ? 

Choose the correct option from the following options.
CDFG : JKMN ∷ XYAB :

7 : 32 : : 35 : ?

In the following question, select the related number from the given alternatives.
432 : 11 :: 545 : ?

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

GHJM : QRTW :: CDFI :?

Select the alternative that will replace the question mark in the analogy.
Badminton : Shuttlecock ∷ ? : Ball

Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter-clusters.

TRACK : IAYPR :: ?

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