श्रृंखला में: 4 M 8 # A 2 @ 6 K 5 & D 3 E $ 7 P, ऐसे कितने स्वर हैं जिनके ठीक पहले एक प्रतीक है लेकिन ठीक बाद एक संख्या नहीं है?

Refer to the following letter series and answer the question that follows. Counting to be done from left to right only. (Left) J T Y D C B A S W E A R O P L U T (Right) How many such vowels are there each of which is immediately preceded by a consonant and also immediately followed by a vowel?

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) ? A ? M V R ? F @ D E Q * ? R V M / % * M (Right) How many such letters are there each of which is immediately preceded by a letter and also immediately followed by a symbol?