Five years ago the average of A and B was 15 years. Average age of A, B, and C today is 20 years. How old will C be after 10 years?

🧠 Explanation:

Five years ago, the average age of A and B was 15, and today, A, B, and C’s average is 20. After 10 years, C will be 30, derived from solving the age puzzle. This problem is a key topic in algebra, engaging math students. Understanding such calculations sharpens analytical skills, relevant for exams and logical reasoning. The puzzle attracts those exploring mathematical problem-solving, emphasizing clear thinking in real-world age-related calculations.