How many such numbers are there in the above arrangement, each of which is immediately followed by a consonant and immediately followed by a symbol

Which of the following is the seventh to the right of the nineteenth from the right end

Which of the following is the third to the right of the twelth from the left end of the above arrangement

How many such consonants are there in the above arrangement each of which is immediately followed by another consonant but not imediately preceded by a symbo

How many such symbols are there in the above arrangement each of which is immediately preceded by a number but not immediately followed by a consonant

Four of the following five are alike in a certain way based on their position in the above arrengement and so form a group. Which is the one that does not belong to that group