Refer to the following letter series and answer the question that follows. Counting to be done from left to right only. (Left) D I A M C D L V H D U C F H E U T I O (Right) How many such vowels are there which are immediately preceded by a consonant and also immediately followed by a vowel?

Refer to the following number and symbol series and answer the question that follows. (All numbers are single-digit numbers only.) (Left) 3 ^ 5 # 6 £ 1 $ @ 8 % 7 * 4 ≺ Ω 9 2 (Right) If all the symbols are dropped from the series, which of the following will be fifth from the left?

Refer to the following number and symbol series and answer the question. Counting to be done from left to right only. All numbers are single-digit numbers. (Left) @ 8 1 6 # \ * 7 & + * * 3 3 $ 2 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?