Refer to the following letter, symbol series and answer the question. Counting to be done from left to right only: (Left) K C © C V € @ € # U © & Y £ © I $ N W # & Q (Right) How many such symbols are there each of which is immediately preceded by a letter and also immediately followed by a symbol?

Refer to the following number, symbol series and answer the question. Counting to be done from left to right only. All numbers are single digit numbers only. (Left) £ 9 2 9 £ # 4 9 8 2 9 © © 7 @ 6 8 € 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 letter, symbol series and answer the question. Counting to be done from left to right only: (Left) B T # A M @ * * # € © * C H # N £ H Q £ T O (Right) How many such letters are there each of which is immediately preceded by a letter and also immediately followed by a symbol?