Grade 11 Logic Problems Worksheet
This worksheet challenges Grade 11 students with various logic problems, including deductive reasoning, pattern recognition, and critical thinking.
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Grade 11 Logic Problems
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Read each problem carefully and use logical reasoning to solve it. Show your work or explain your thought process for short answer questions.
1. If all 'A's are 'B's, and some 'B's are 'C's, which of the following statements must be true?
All 'A's are 'C's.
Some 'A's are 'C's.
Some 'C's are 'A's.
None of the above.
2. If a train travels at 60 miles per hour, it will cover 300 miles in hours.
3. The day before yesterday, I was 20 years old. Next year, I will be 23 years old. My birthday is on .
4. Three friends, Alex, Ben, and Chloe, each have a different favorite color among blue, green, and red. Alex does not like red. Ben likes blue. What is Chloe's favorite color? Explain your reasoning.
5. If a statement is false, then its negation must be true.
True
False
6. A valid deductive argument always has a true conclusion.
True
False
Match the logical fallacy with its definition.
7. Ad Hominem
a. Assuming the conclusion is true because the premise is true.
8. Straw Man
b. Attacking the person rather than their argument.
9. Begging the Question
c. Misrepresenting an opponent's argument to make it easier to attack.
10. There are three boxes. One is labeled 'APPLES', another 'ORANGES', and the third 'APPLES AND ORANGES'. Every box is incorrectly labeled. You can only pick one fruit from one box. How can you correctly label all three boxes?