Multiple choice Choose the term which will continue the following series: B4Y, D9W, F16U, H25S, ? G36Q J36Q J49Q K49Q None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Yes, it is correct. The pattern followed is that the first letter moves two steps forward and the last letter moves two steps backwards. The number in between is the square of numbers starting from 2.