Multiple choice general knowledge math & puzzles Look at this series: 544, 509, 474, 439, ... What number should come next? 404 414 420 445 Reveal answer Fill a bubble to check yourself A Correct answer Explanation This series follows a pattern where 35 is subtracted from each number: 544-35=509, 509-35=474, 474-35=439. Continuing this pattern, the next number is 439-35=404. The subtraction remains consistent at 35 throughout the sequence.