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In a coded inequality, '@' means '≥', '#' means '>', '$' means '=', '%' means '≤' and '&' means '<'. Statements: P # Q, Q % R, R & S. Conclusions: I. P & S.
II. P @ S. Which conclusion(s) is/are definitely true?

Competition practiceInequalities
  • AOnly II is true
  • BEither I or II is true
  • CNeither I nor II is true
  • DOnly I is true

Step-by-Step Solution

Decoding: P > Q, Q ≤ R, R < S. The chain P > Q ≤ R < S fixes no definite relation between P and S. Conclusion I (P < S) and II (P ≥ S) are exact complements covering all cases, so either I or II is true.
Answer: B) Either I or II is true

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