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Exam GRE Section 2 Quantitative All Questions

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Exam GRE Section 2 Quantitative topic 2 question 44 discussion

Actual exam question from Test Prep's GRE Section 2 Quantitative
Question #: 44
Topic #: 2
[All GRE Section 2 Quantitative Questions]

SIMULATION -
The number of attendees at a certain annual conference is 256 this year and has always doubled every five years. How many people attended the conference 20 years ago?
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Suggested Answer: Explanation
Divide by 2 four times, as follows:
5 years ago: 128
10 years ago: 64
15 years ago: 62
20 years ago: 16

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MHALLAQ
10 months, 4 weeks ago
There is a typo in the explanation below. 5 years ago: 128 10 years ago: 64 15 years ago: 62 >>>>> Should be 32 20 years ago: 16
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