Question
If ZERO is encoded as ADSN, then how do you encode STOP?
- (a)SPOT
- (b)TSPO
- (c)TSOP
- (d)POST
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The letters shift by +1, −1, +1, −1: Z→A, E→D, R→S, O→N. Applying the same to STOP: S→T, T→S, O→P, P→O = TSPO.
UnlockIAS expert key, prepared 24 May 2026 and cross-verified by re-deriving the answer — this is our key, not the official UPSC provisional key (awaited).
UPSC has announced (PIB Release 2262441, 18 May 2026) that the provisional answer key for CSE Prelims 2026 will be released “soon after Exam”. Until then, use the CSAT score calculator for your qualifying-status estimate, and join the per-question discussion below.