Multiple choice general knowledge math & puzzles A number exceeds 20% of itself by 40 then the number is _____ 50 60 80 320 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Let the number be x. "Exceeds 20% of itself by 40" means x = 0.2x + 40. Solving: 0.8x = 40, so x = 50.