If A = {x : x is a vowel in the English alphabet}, how many elements are in A?
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Answer and explanation
Correct answer: 5
In the standard school classification of the English alphabet, the vowels are a, e, i, o, and u. These are five distinct letters, and a set counts each distinct element only once. Therefore, the cardinality, or number of elements, of A is 5. The other letters are consonants in this context.
Frequently asked questions
What is the correct answer to this question?
5
Why is this the correct answer?
In the standard school classification of the English alphabet, the vowels are a, e, i, o, and u. These are five distinct letters, and a set counts each distinct element only once. Therefore, the cardinality, or number of elements, of A is 5. The other letters are consonants in this context.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Sets. Topic: The Empty Set, Finite and Infinite Sets, Equal Sets.
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