How many such numbers are there in the above arrangement, each of which is immediately preceded by a number and not im-ls mediately followed by a letter ?

For the following 5 questions

Study the following arrangement carefully and answer the questions given below :
4 $ 3 Z Y A 5 6 * © @ 7 P L E T Q S B 2 8 C 1 M U I X %

for the following 6 questions

In each question below is given a group oFIetters followed by four combinations of digits/symbols numbered (1), (2), (3) and (4). You have to find out which of the combinations correctly represents the group of letters based on the following coding system and the conditions and mark the numbers of that combination as your answer. If none of the four combinations correctly represents the group of letters, give (5) i.e. 'None of these' as your answer.

Conditions:
(1) If the second letter is a consonant and the last letter is a vowel, their codes are to be interchanged.
(ii) If the second as well as last letter is a consonant, each one is to be coded as the code for the letter F.
(iii) If the third as well as fourth letter is a vowel, then each one is to be coded as 'P'