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From W ≤ X < Y ≥ Z, which conclusion is definitely true?

Competition practiceInequalities
  • AW < Y
  • BZ > X
  • CY < W
  • DX > Z

Step-by-Step Solution

W ≤ X < Y gives W < Y. Z is only known to be ≤ Y, so its relation with X cannot be fixed; Y < W is false.
Answer: A) W < Y

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