The average of first five prime numbers greater than 20 is____________? September 23, 2025 by Admin A. 31.00 B. 31.01 C. 32.00 D. 32.2 ✅ The correct answer is option D. 32.2. 23 + 29 + 31 + 37 + 41 = 161/5 = 32.2