3. Deductive Reasoning
Counterexamples — Quiz
Test your understanding of counterexamples with 5 practice questions.
Practice Questions
Question 1
Which of the following is a valid counterexample to the statement 'All integers greater than 5 are prime'?
Question 2
What is a valid counterexample to the claim 'All rational numbers can be expressed as terminating decimals'?
Question 3
Which of the following provides a valid counterexample to the statement 'All squares have side lengths that are integers'?
Question 4
Which of the following is a valid counterexample to the claim 'All multiples of 3 are also multiples of 9'?
Question 5
Which of the following is a valid counterexample to the claim 'If a number is even, then it is divisible by 4'?