In the following question, select the related words/letters /numbers from the given alternatives.
Joly : Delight : : Gloomy : ?

Direction: Select the related word from the given alternatives.

Influenza: virus :: typhoid:?

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
 12 : 16 :: 18 : ? :: 24 : 64

In the following question, Letter pair is given and one Letter group is missing from one pair. Choose the correct option.
BDF: GIK:: MOQ:? 

Direction: Select the related word from the given alternatives.

AZBY : CXDW :: EVFU:?

365 : 90 : : 623 : ?

123 : 36 : : 221 : ?

5 : 30 : : 7: ?