Among Andrew, Kate and Max, one of them is a doctor.
The other two are a teacher and a police officer.
Max is older than the police officer.
Andrew and the teacher are not the same age.
The teacher is younger than Kate.
Who is the doctor?

See the answer

Answer: Kate.
Andrew cannot be the teacher, and Kate cannot be the teacher. So Max is the teacher, and, therefore, he is younger than Kate. Hence, Kate cannot be a police officer (since Max is older than the police officer). Therefore, Kate is the doctor.

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