Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
j _ m b _ a _ _ u _ b _ a d j _ m _ b _ d
Answer & explanation
Correct answer: option 3
j u m b b a d / j u m b b a d / j u m b b a d
u, b, d, j, m, b, u, b, a