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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? ADI EHM ILQ MPU?
TYQ
TQY
QTY
QYT
QTY
Observe the first, second, and third letters of each triplet independently; they all follow a constant arithmetic progression of +4 in the English alphabet.
Observe the first, second, and third letters of each triplet independently; they all follow a constant arithmetic progression of +4 in the English alphabet.
Analyze First Letter Pattern
The first letters are A, E, I, M. The pattern is: A(1)+4=E(5), E(5)+4=I(9), I(9)+4=M(13). The next letter should be M(13)+4 = Q(17).
Analyze Second Letter Pattern
The second letters are D, H, L, P. The pattern is: D(4)+4=H(8), H(8)+4=L(12), L(12)+4=P(16). The next letter should be P(16)+4 = T(20).
Analyze Third Letter Pattern
The third letters are I, M, Q, U. The pattern is: I(9)+4=M(13), M(13)+4=Q(17), Q(17)+4=U(21). The next letter should be U(21)+4 = Y(25).
A: Starts with T instead of Q, B: Third letter Y is correct but the order TQY is incorrect based on the calculated QTY, D: Third letter T is incorrect as the sequence requires Y.
C is correct because applying the +4 progression to each position (M+4=Q, P+4=T, U+4=Y) consistently yields QTY.
When encountering letter triplets in series, always solve the columns individually; often, the series follows simple addition or subtraction across the alphabet positions.
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