To find the term that replaces the question mark in the series, we analyze the pattern in the given terms:
DBOI, FEQL, ?, JKUR, LNWU.
Step 1: Break down the terms into their individual letters
Each term consists of four letters. Let's examine the pattern for each letter position across the series.
First letters:
· D, F, ?, J, L
o These letters follow an alphabetical pattern: D(+2)→F(+2)→H(+2)→J(+2)→L
o The missing first letter is H.
Second letters:
· B, E, ?, K, N
o These letters follow an alphabetical pattern: B(+3)→E(+3)→H(+3)→K(+3)→N
o The missing second letter is H.
Third letters:
· O, Q, ?, U, W
o These letters follow an alphabetical pattern: O(+2)→Q(+2)→S(+2)→U(+2)→W
o The missing third letter is S.
Fourth letters:
· I, L, ?, R, U
o These letters follow an alphabetical pattern: I(+3)→L(+3)→O(+3)→R(+3)→U
o The missing fourth letter is O.
Step 2: Combine the letters
The missing term is HHSO.
Option (c) is the correct answer.
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