Ali is twice as old as his youngest brother. If the difference between their ages is 15 years. How old is his youngest brother?

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Ali is twice as old as his youngest brother. If the difference between their ages is 15 years. How old is his youngest brother? Answer: 15

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.