Multiple choice Complete the series: 14A9, 14AF, 14B5, 14C1 14BB 15B3 14B3 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The series is in hexadecimal. 14A9 + 6 = 14AF. 14AF + 6 = 14B5. 14B5 + 6 = 14BB.