What number comes next in the series: 43, 50, 57, 64, 71, ?

💡 Solution & Explanation

Each term is 7 more than the one before it: 50 − 43 = 7, 57 − 50 = 7, 64 − 57 = 7, 71 − 64 = 7. So the next term is 71 + 7 = 78.