Refer to the following number, symbol series and answer the question.

74 & @ 34% @$4 @34% 4 $ 5 * @ 4 3 4 5 * 3

How many 4s are there that are immediately followed by a symbol?

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.
(Left) R L Z T @ $ O D U %W N # * K X V £ Y A & Q P S (Right)
How many such letters are there that are immediately preceded by a symbol and also immediately followed by another letter?

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.
(Left) G U * M B + £ L Q C T % @ H O D K > X Z F # & Y (Right)
How many such symbols are there, each of which is immediately preceded by a letter and immediately followed by a symbol?

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) £ * 6 @ 1 £ 8 6 @ % $ 7 # 1 9 # 6 % * 5 € & (Right)
How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(NOTE: All numbers are single digit numbers only.)
(Left) 3 % 2 % 2 £ £ & © £ 1 1 8 5 $ 9 9 5 2 & 5 6 (Right)
How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) 2 8 6 $ 4 * € 1 9 5 # 2 % 4 % © # 5 * 7 % * (Right)
How many such numbers are there each of which is immediately preceded by a number and also immediately followed by a number?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) 2 @ % * 2 7 4 8 € @ % © $ 7 6 6 * $ 7 £ 7 6 (Right)
How many such numbers are there each of which is immediately preceded by a number and also immediately followed by a symbol?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) £ % * 3 6 £ 1 © & 8 1 5 5 3 * # © 7 1 7 3 @ (Right)
How many such symbols are there each of which is immediately preceded by a number and also immediately followed by a number?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) £ @ 5 6 3 © & 4 9 % * $ $ % 6 & # & € © 5 8 (Right)
How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?​

Refer to the following number and symbol series and answer the question that follows.
Counting to be done from left to right only.
(Left) 8 £ 6 @ & % 4 6 @ 8 $ 7 & 3 Ω 9 # 1 * 4 5 (Right)
How many such symbols are there each of which is immediately preceded by an even number and also immediately followed by an odd number?​