Grade 11 Logic and Reasoning Puzzles
This worksheet challenges Grade 11 students with various logic and reasoning puzzles to develop critical thinking and problem-solving skills.
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Grade 11 Logic and Reasoning Puzzles
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Date:
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Read each puzzle carefully and use your logic and reasoning skills to solve them. Show all your work where applicable.
1. I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
2. Fill in the missing number in the sequence: 1, 1, 2, 3, 5, 8, 13, , 34.
3. There are three friends: Alice, Bob, and Carol. One of them is a liar and always lies, while the other two always tell the truth. Alice says: "Bob is a liar." Bob says: "Carol is a liar." Carol says: "Alice is a liar." Who is the liar?
Alice
Bob
Carol
Cannot be determined
4. If all dogs are mammals, and all mammals are animals, then all dogs are animals.
True
False
5. In a standard 9x9 Sudoku puzzle, explain why a number cannot appear more than once in any row, column, or 3x3 block.