Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster.

GOOD : HSXT :: BEST : CIBJ :: COOL : ?

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

Pakistan: Islamabad :: Germany: ? 

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

MOB : KMZ :: ?

Find the related words.
$$ {L\over S}:{12\over 19}::{I\over T}:?$$

Directions : In each of the following questions, select the related word from the given alternatives. 

President : India : : King : ? 

‘Glaucoma’ is related to ‘Eyes’ in the same way as ‘Arthritis’ is related to ‘_____’.

Select the related word/letters/number from the given alternatives.
Norway: Oslo:: Poland: ?

Directions : In each of the following questions, select the related word from the given alternatives. 

Laugh : Joke : : ? : Cracker