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In a certain code, '+' means 'greater than or equal to', '-' means 'less than or equal to', and '' means 'equal to'. Given that '', ' C' and '' are true, which of the following is definitely true?

Competition practiceInequalities
  • AC ≥ A
  • BA ≤ D
  • CB ≥ D
  • DA ≥ C

Step-by-Step Solution

The statements give A ≥ B, B = C and C ≤ D. Since A ≥ B and B = C, it follows that A ≥ C is definitely true.
Answer: D) A ≥ C

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