Refer to the following letter, number and symbol series and answer the question that follows. Counting is to be done from left to right only. (Left) Y # 3 R 6 C & T % 7 2 K & 5 G E * S D 4 @ (Right) How many such letters are there which are immediately preceded by a symbol and also immediately followed by a number?

Refer to the given letter, number, symbol series and answer the question that follows. (Left) 5 4 D * S R + 6 3 % 7 Y # K E G 2 C & T @ (Right) How many such numbers are there, that are immediately preceded by a letter and also immediately followed by a symbol?

Refer to the following sequence and answer the question: (Left) Q $ 7 & F # 6 T 8 N ! H 3 @ K T * 9 ? % V 4 6 (Right) How many such symbols are there in the sequence, each of which is immediately preceded by a letter and immediately followed by a number?