Question Detail
Question
Define: R = real numbers, Q = rational numbers, V = {English vowels}, P = {prime numbers less than 20}. Which of the sets have the same cardinality?
Correct Answer
Option E is the correct answer.
Detailed Explanation
R is uncountably infinite, Q is countably infinite, V has 5 elements, and P has 8 elements. No two sets have the same cardinality.
Hint
Distinguish between countable, uncountable, and finite sets.