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What should come in place of the question mark (?) in the given series based on the English alphabetical order? ZBL, YDM, XFN, WHO, ?
RKN
RKL
VJP
UJP
VJP
Observe the three positions independently: the first letter decreases by 1, the second increases by 2, and the third increases by 1.
Observe the three positions independently: the first letter decreases by 1, the second increases by 2, and the third increases by 1.
Analyze the first letter
The first letters are Z, Y, X, W. The pattern is -1: Z(26) → Y(25) → X(24) → W(23). The next is 23-1 = 22, which corresponds to V.
Analyze the second letter
The second letters are B, D, F, H. The pattern is +2: B(2) → D(4) → F(6) → H(8). The next is 8+2 = 10, which corresponds to J.
Analyze the third letter
The third letters are L, M, N, O. The pattern is +1: L(12) → M(13) → N(14) → O(15). The next is 15+1 = 16, which corresponds to P.
A is incorrect as RKN does not follow the sequence VJP; B is incorrect as RKL does not match the computed VJP; D is incorrect as UJP starts with U instead of V.
C is correct because the series follows a consistent pattern of -1 for the first position, +2 for the second, and +1 for the third, resulting in VJP.
For alphabetical series, always write the positional values (1-26) to spot differences quickly; often the pattern is a simple combination of constant shifts.
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