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Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? ABC, EDH, IFM, MHR,?
RSW
QJW
QNW
QIW
QJW
Analyze the pattern for each of the three positions (1st, 2nd, 3rd letters) separately. The 1st letter moves +4, 2nd moves +2, and 3rd moves +5 in the alphabet.
Analyze the pattern for each of the three positions (1st, 2nd, 3rd letters) separately. The 1st letter moves +4, 2nd moves +2, and 3rd moves +5 in the alphabet.
Analyze 1st letter of each triplet
A(1), E(5), I(9), M(13). The pattern is +4 for each step. Next: 13 + 4 = 17, which is Q.
Analyze 2nd letter of each triplet
B(2), D(4), F(6), H(8). The pattern is +2 for each step. Next: 8 + 2 = 10, which is J.
Analyze 3rd letter of each triplet
C(3), H(8), M(13), R(18). The pattern is +5 for each step. Next: 18 + 5 = 23, which is W.
A: Starts with R (incorrect 1st letter), C: Starts with Q but middle is N (incorrect 2nd letter), D: Starts with Q but middle is I (incorrect 2nd letter).
B is correct because the series follows a consistent additive pattern of +4, +2, and +5 for the 1st, 2nd, and 3rd positions respectively, resulting in QJW.
When solving multi-character series, always split them into individual sub-series (1st, 2nd, 3rd) to identify the independent transformation rules for each position.
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