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If 500 is the multiple of 100

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VP
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Joined: 18 May 2008
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If 500 is the multiple of 100 [#permalink]

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New post 11 Nov 2008, 03:28
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Re: GMATPREP-multiples [#permalink]

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New post 11 Nov 2008, 04:12
From the question, 450 < x < 550 and 350 < y < 450
Hence, 800 < x+y < 1000

and multiple can be 800, 900 or 1000.

From stmt1: 450 < x < 500 and hence, 800 < x+y < 950 and hence multiple can be 800 or 900. Insufficient.

From stmt2: 350 < y < 400 and hence, 800 < x+y < 950....same as stmt1....insufficient.

Combining stmt1 and stmt2:
800 < x+y < 900 and x+y can be 800 or 900....insufficient....hence, E.
Re: GMATPREP-multiples   [#permalink] 11 Nov 2008, 04:12
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If 500 is the multiple of 100

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