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Exam GMAT Test topic 1 question 3 discussion

Actual exam question from Test Prep's GMAT Test
Question #: 3
Topic #: 1
[All GMAT Test Questions]

X, Y, Z, and W are integers. The expression X גˆ’ Y גˆ’ Z is even and the expression Y גˆ’ Z גˆ’ W is odd. If X is even what must be true?

  • A. Y גˆ’ Z must be odd.
  • B. W must be even.
  • C. W must be odd.
  • D. W must be even.
  • E. Z must be odd.
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Suggested Answer: C 🗳️
The first expression is even and the second is odd, the only difference between the expressions is that the first expression has X and the second has W. So, if X is even W must be odd.
by Amine1 at April 23, 2023, 6:19 p.m.

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Amine1
1 month, 4 weeks ago
the expressions is that the first expression has X and the second has W. So, if X is even W must
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