Multiple choice general knowledge math & puzzles If SUN=54 then SON=? 54 42 48 58 Reveal answer Fill a bubble to check yourself C Correct answer Explanation SUN = 54 comes from sum of letter positions: S(19) + U(21) + N(14) = 54. For SON: S(19) + O(15) + N(14) = 48. The correct answer is 48.