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# For any number y, y* is defined as the greatest possible

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Manager
Joined: 15 Aug 2003
Posts: 50
Location: Singapore
For any number y, y* is defined as the greatest possible [#permalink]

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16 Feb 2004, 07:21
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For any number y, y* is defined as the greatest possible even integer less than or equal to y. What is the value of 5.2-5.2*?
a) 0.2
b) 1.2
c) 1.8
d) 2.2
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4288

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16 Feb 2004, 07:31
I think the question should be stated as: For any number y, y* is defined as the greatest integer less than or equal to y. What is the value of 5.2-5.2*?
the use of the word number is unappropriate because it could mean any real number. Answer should thus be 5.2 - 5.0 = 0.2
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Paul

Senior Manager
Joined: 05 May 2003
Posts: 424
Location: Aus

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16 Feb 2004, 08:10
1.2 ??
greatest possible even integer less than or equal to 5.2 should be 4. right.
5.2-4=1.2
Manager
Joined: 15 Aug 2003
Posts: 50
Location: Singapore

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16 Feb 2004, 08:13
haha..it is 1.2 (5.2-4)

I missed the point on the number being "even"...

Qn reminds u to be careful..'cos the qn looks v v simple.
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4288

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16 Feb 2004, 08:25
Dang, "even" totally passed me by. Ashwyn, I think you edited the question because when I was on it, I just cut and pasted your question so what I posted was exactly what you wrote...
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Best Regards,

Paul

Manager
Joined: 15 Aug 2003
Posts: 50
Location: Singapore

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16 Feb 2004, 08:28
Yeah, Paul..sorry about that. I edited it immediately after I put it up...u replied faster than speed of light!

PS- sorry, should have acknowledged ur reply in my previous posting.
16 Feb 2004, 08:28
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# For any number y, y* is defined as the greatest possible

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