Multiple choice general knowledge math & puzzles Find the missing elements in the following series(in order) J,,M,A,,J M,J J,F M,F F,M Reveal answer Fill a bubble to check yourself D Correct answer Explanation The series J, _, M, A, _, J represents the first letter of months: January, February, March, April, May, June. The missing letters are F (February) and M (May), so F, M is the correct pair.