A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
TDS, SIJ, RNA, QSR, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. PXI.
Given series: TDS, SIJ, RNA, QSR, ?
T - 1 = S; S - 1 = R; R - 1 = Q; Q - 1 = P
D + 5 = I; I + 5 = N; N + 5 = S; S + 5 = X
S - 9 = J; J - 9 = A; A - 9 = R; R - 9 = I