It's time to test your deduction skills! Challenge your logical thinking and deduction skills with this set of 11 riddles. Each problem may seem simple at first glance, but each has its own complexity and depth.

These problems are designed to test your ability to draw logical conclusions. It is necessary to infer other information from certain facts or rules. For some problems, the information given does not always lead directly to an answer, so it's important to read carefully and consider all possibilities.

After each question is the answer and explanation for each question. Be sure to read the explanations to see if your answer is correct or to understand why the answer is correct.

Are you ready? Let the challenge begin!