Multiple choice general knowledge math & puzzles 5000 3976 3720 3656 _ 3640 3633 3620 3621 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The differences between consecutive terms are 1024, 256, and 64, which are powers of 4 decreasing by one exponent each time (4^5, 4^4, 4^3). The next difference should be 4^2=16, so 3656-16=3640.