Multiple choice general knowledge math & puzzles 0 01 010 ---- 01010 0100 0101 1000 1010 Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is a binary-style pattern with alternating 0s and 1s, increasing in length: 0, 01, 010, 0101, 01010. Each step adds one digit, alternating the pattern. The 4-digit pattern is 0101. Option B is correct.