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What should come in place of the question mark (?) in the given series based on the English alphabetical order? ACKP, GIQV, MOWB, SUCH, ?
YAIN
YBIN
YHJK
YASD
YAIN
Observe the first letter of each cluster: A(1), G(7), M(13), S(19). They increase by 6, so the next starts with 19+6=25(Y).
Observe the first letter of each cluster: A(1), G(7), M(13), S(19). They increase by 6, so the next starts with 19+6=25(Y).
Analyze the first letter of each cluster
A(1), G(7), M(13), S(19). Pattern is +6. Next: 19 + 6 = 25 which is Y.
Analyze the second letter of each cluster
C(3), I(9), O(15), U(21). Pattern is +6. Next: 21 + 6 = 27. Since 27 exceeds 26, it wraps to 1 which is A.
Analyze the third letter of each cluster
K(11), Q(17), W(23), C(3). Pattern is +6. Next: 3 + 6 = 9 which is I.
Analyze the fourth letter of each cluster
P(16), V(22), B(2), H(8). Pattern is +6. Next: 8 + 6 = 14 which is N.
B: Starts with Y but incorrect second/third letters (B, I). C: Starts with Y but incorrect second/third/fourth letters (H, J, K). D: Starts with Y but incorrect second/third/fourth letters (A, S, D).
A is correct because the series follows a consistent +6 increment for each letter position in the clusters: (A+6=G, G+6=M, M+6=S, S+6=Y), (C+6=I, I+6=O, O+6=U, U+6=A), (K+6=Q, Q+6=W, W+6=C, C+6=I), and (P+6=V, V+6=B, B+6=H, H+6=N), resulting in YAIN.
For alphabetical series, always convert letters to their numerical positions (A=1, Z=26) to simplify arithmetic, and remember that when a value exceeds 26, subtract 26 to cycle back to the beginning.
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