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Guest Message by DevFuse

What did I do wrong? (GRE Math)

Started by Rob_Gandy, Jan 10 2013 01:21 AM

Best Answer Thalia, 10 January 2013 - 01:41 AM

Spoiler for 288

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2 replies to this topic

#1 Rob_Gandy

Advanced Member

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174 posts

Gender:Male
Location:Garland, TX

Posted 10 January 2013 - 01:21 AM

How many 3-digit positive integers are odd and do not contain the digit 5?

I got 320, but the answer that is given in 288. I just realized that I missed some numbers, but I ended up with 280.

I would greatly appreciate if someone could explain why the answer is 288.

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#2 Thalia

Senior Member

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2855 posts

Gender:Female

Posted 10 January 2013 - 01:41 AM Best Answer

Spoiler for 288

Edited by Thalia, 10 January 2013 - 01:42 AM.

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