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In a certain code: '@' means 'greater than', '&' means 'less than', '=' means 'equal to', '$' means 'greater than or equal to', and '~' means 'less than or equal to'. If the statements 'P @ Q' and 'Q $ R' are both true, which of the following is definitely true?

Competition practiceInequalities
  • AR @ P
  • B
  • CP @ R
  • DP ~ R

Step-by-Step Solution

P > Q and Q is greater than or equal to R give P > Q >= R, so P > R, i.e. 'P @ R'.
Answer: C) P @ R

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