Multiple choice general knowledge math & puzzles 5 , 7 , 10 , 14 , ? 15 14 17 19 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The differences between consecutive terms are: 7-5=2, 10-7=3, 14-10=4. The differences increase by 1 each time (2, 3, 4). The next difference should be 5, so 14+5=19.