The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers? September 23, 2025 by Admin A. 8 B. 6 C. 5 D. 2 ✅ The correct answer is option C. 5. A + B + C = 48
