Directions : Study the following alphanumeric series carefully and answer the questions given below:

12AIFR                  42 WBOL                             63EOCN                15TVMR               75GYTR

The letters which are attached with the numbers in which at least one is odd digit are arranged according to the ascending orders of their numbers from left to right and then all letters of the words together are arranged in the alphabetical order, then which of the following is the 9^th letter from the right end?

In the question a Alpha-Numeric series is given find the next term in the series ?
12B, 2H, 14C, 4G, 16D,__

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
P _ R _ O _ _ E _ R _ S _ _ _ R O S

From the given alternatives find the word which cannot be formed from the letters used in the given word.
HYPOPHARYNX

Directions : Study the following alphanumeric series carefully and answer the questions given below:

12AIFR                  42 WBOL                             63EOCN                15TVMR               75GYTR

The words are arranged according to the descending order of the numbers which are attached to them from left to right, then how many alphabets are between the letters of second letter from the left end and seventh letter from the right end?

Which of the following will complete the series?
14 ,27 ,52 ,101, 198. ? 

Find the missing (?) in the series.
NA, PC, RE, TG, ?, XK, ZM