The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________? September 23, 2025 by Admin A. 11 years B. 14 years C. 15 years D. 15 2/7 years ✅ The correct answer is option A. 11 years.