Multiple choice 3, 4, 7, 8, 11, 12, ... What number should come next? 15 10 7 14 23 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Answer: Option DExplanation:This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.