Alphabetical series reasoning puzzle: complete the sequence ELFA, GLHA, ILJA, ____, MLNA by identifying the letterwise patterns (first and third letters move by +2 in the alphabet while the second and fourth positions remain fixed) to find the next.

Question

Solve this multiple-choice question and choose the correct option.

Curioustab · Accepted Answer

We analyze each character position across the given terms. Positions by term: ELFA, GLHA, ILJA, ? , MLNA. 1st letter: E → G → I → (add +2 each step) → K → M. 2nd letter: constant 'L' throughout. 3rd letter: F → H → J → (add +2 each step) → L → N. 4th letter: constant 'A' throughout. Concept/ApproachTreat each column independently. Detect constant columns and arithmetic shifts (+2) in alphabetic indices for the others.Step-by-Step calculation1) First column: E(5) + 2 = G(7), +2 = I(9), +2 = K(11), +2 = M(13).2) Second column: always L ⇒ L.3) Third column: F(6) + 2 = H(8), +2 = J(10), +2 = L(12), +2 = N(14).4) Fourth column: always A ⇒ A.Verification/AlternativeRebuild the missing term from columns: K + L + L + A = KLLA. It fits neatly between ILJA and MLNA.Common pitfallsMixing the +1 and +2 strides; overlooking that the 2nd and 4th characters are fixed constants.Final AnswerKLLA

Alphabetical series reasoning puzzle: complete the sequence ELFA, GLHA, ILJA, ____, MLNA by identifying the letterwise patterns (first and third letters move by +2 in the alphabet while the second and fourth positions remain fixed) to find the next term.

Answer

Explanation