Write the set of all vowels in the English alphabet which precede q.

Write the set of all vowels in the English alphabet which precede r.

List all the elements of the following set : F = {x : x is a consonant in the English alphabet which precedes k }.

100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows : : Write the class interval in which the maximum number of surnames lie.

100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of lettes in te english alphabet in the surnames was found as follows Write the class interval in which the minimum number of surnames lie.

Write the set of all positive integers whose cube is odd.

Examine whether the following statement is true or false: {a,e) sub {x:xisa vowel in the English alphabet)

State whether each of the following set is finite or infinite: The set of letters in the English alphabet

How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?

How many 4-letter code words are possible using the first 10 letters of the English alphabet, if no letter can be repeated ?