Multiple choice general knowledge math & puzzles A,B,B,D,C,F,D,? I H J F Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is an alternating sequence. The 1st, 3rd, 5th, 7th terms are A, B, C, D. The 2nd, 4th, 6th, 8th terms are B, D, F, ?. This second sequence skips one letter each time, so the next is H.