Multiple choice general knowledge math & puzzles X-V-R-L-? K D M B O Reveal answer Fill a bubble to check yourself B Correct answer Explanation Letter positions: X=24, V=22 (difference 2), R=18 (difference 4), L=12 (difference 6). The differences are consecutive even numbers: 2, 4, 6, 8. Subtracting 8 from L (12) gives D (4).