Select the word pair in which the two words are related in the same way as the two words in the following word-pair.

Brass : Copper

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

President : India : : King : ? 

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 :: ?

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. 

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

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

JS : QH : : VW : ?

Three of the following words are alike in a certain manner and one is different. Find the odd one out.

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

Speech : Dumb :: Sight : Blind :: ? : Deaf