What is the cardinality of the set of all vowels in the English alphabet?5 vowel

Q 4 N S E # K 7 Y $ C 8 3 P I T 6 % 9 H U 2 R J * V 5 W A 1 B D G How many such vowels are there each of which are immediately followed by a symbol?

find the number of alphabet vowels and words in input using string

How many different 3 - letter words can be made by 5 vowels with repetition, if vowel ‘A’ is never included?Choices:- 24 60 6 64

How many arrangement can be made from the word COMMERCE, such that all the vowels do not come together ?

How many words can be formed with the letters of the word ‘PRACTICE’ so that vowels always occupy the even places?