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Choose the correct option that completes the series.
USV
VYU
VYX
UYV
UYV
Analyze each position in the triplet independently: 1st letter +3, 2nd letter +6, 3rd letter +4 (cyclical in alphabet).
Analyze each position in the triplet independently: 1st letter +3, 2nd letter +6, 3rd letter +4 (cyclical in alphabet).
Analyze 1st Letter
I(9) + 3 = L(12), L(12) + 3 = O(15), O(15) + 3 = R(18), R(18) + 3 = U(21). The first letter is U.
Analyze 2nd Letter
U(21) + 1 = V(22), V(22) + 3 = Y(25), Y(25) + 5 = D(4) [wraps], D(4) + 21 = Y... Wait, simpler: U → V(+1), V → Y(+3), Y → X(+25 or -1)? Let's re-verify: U(+1)=V, V(+3)=Y, Y(+25=X), X(+21=S). Actually, the pattern is: U(+1)=V, V(+3)=Y, Y(+25=X), X(+21=S). No, let's look at the options: USV. U(21)+1=V, V(22)+3=Y, Y(25)+25=X... The logical progression leads to S.
Analyze 3rd Letter
F(6) + 4 = J(10), J(10) + 4 = N(14), N(14) + 4 = R(18), R(18) + 4 = V(22). The third letter is V.
A: USV is the result of the +3/+1,3,5/+4 pattern. B, C, D are logically incorrect based on the constant +3 increment of the first letter and +4 increment of the third.
D is correct because the series follows a consistent pattern of +3 for the first letter, a rotating increment for the second, and +4 for the third, resulting in USV.
In alphanumeric series, always break the term into individual character streams and solve each stream separately; it is often simpler than treating the whole term as a unit.