Which one of the following is the most newly

Select the option that is related to the third number in the same way as the second number is related to the first number.

13 : 2366 :: 8 : ?

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

Happy: Sad :: Generous: ?

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

Select the option that is related to the third term in the same way as the second term is related to the first term.

BSTN: AQUP :: DNUC : ?

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

In the following question, select the related word from the given alternatives.

GSJM : PMVJ : : USBN : ?