What number comes next in the series: 4, 8, 12, 16, 20, ?

💡 Solution & Explanation

Each term is 4 more than the one before it: 8 − 4 = 4, 12 − 8 = 4, 16 − 12 = 4, 20 − 16 = 4. So the next term is 20 + 4 = 24.