Multiple choice general knowledge math & puzzles 6 9 + + 9 6 X X 6 9 + + 9 6 X X 6 9 + + ? 6 X ? 6 X 9 X 6 9 6 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence repeats the block '6 9 + + 9 6 X X'. In the third iteration, it reaches '6 9 + + ? 6 X ?'. Comparing it to the previous blocks, the first '?' should be 9 and the second '?' should be X.