Multiple choice general knowledge math & puzzles a,b,c,e,..,k h g i d Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence follows prime number positions in the alphabet: a(1), b(2), c(3), e(5), g(7), k(11). The 7th letter of the alphabet is 'g'. 'h', 'i', and 'd' do not fit the prime number sequence.