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Exam GRE Section 2 Quantitative topic 1 question 34 discussion

Actual exam question from Test Prep's GRE Section 2 Quantitative
Question #: 34
Topic #: 1
[All GRE Section 2 Quantitative Questions]

Ps age is twice Qs age. One year ago, Rs age was exactly half of Ps age at that time.


  • A. The quantity in Column A is greater;
  • B. The quantity in Column B is greater;
  • C. The quantities are equal;
  • D. The relationship cannot be determined from the information given.
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Suggested Answer: B 🗳️
You can approach this problem intuitively, without a written system of equations. If Ps age were twice what Rs age is now, then Qs age would equal Rs age, and the correct answer would be choice (C). Rs current age must be greater than half of Ps (because one year ago Rs age was exactly half of Ps). Given that Qs age is exactly half of Ps age, R must be older than Q.
by natebrad at April 16, 2020, 10:28 p.m.

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MHALLAQ
2 months, 3 weeks ago
Is there something wrong with this question? What is the value of R??!!!
upvoted 1 times
...
natebrad
4 years ago
If "R must be older than Q" as you state, then the correct answer is A.
upvoted 4 times
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