Hard
Find the missing term in the letter series: BHU, DJR, FLO, (?)
Explanation
Explanation
Look at each position separately. 1st letters: B, D, F (+2 each) -> next is H. 2nd letters: H, J, L (+2 each) -> next is N. 3rd letters: U, R, O (-3 each) -> next is L. So the missing term is HNL.
PRO TIP
Re-check your working by substituting the answer back into the original question.