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In a coded inequality system, '@' means 'greater than', '#' means 'less than', '$' means 'greater than or equal to', '%' means 'less than or equal to', and '&' means 'equal to'. Given the statements X $ Y and Y & Z, which of the following is definitely true?

Competition practiceInequalities
  • AZ > X
  • BX ≥ Z
  • C
  • DX < Z

Step-by-Step Solution

X $ Y means X is greater than or equal to Y and Y & Z means Y = Z, so X is greater than or equal to Z.
Answer: B) X ≥ Z

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