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In a certain code, 'A % B' means A is older than B, 'A & B' means A is younger than B, and 'A = B' means A is the same age as B. Given that 'P % Q', 'Q % R' and 'R % S' are all true, which of the following is definitely TRUE?

Competition practiceInequalities
  • AR % Q
  • BP % S
  • CS % P
  • DQ & R

Step-by-Step Solution

The statements give the age order P > Q > R > S, so P is older than S, which is written 'P % S'.
Answer: B) P % S

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