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A number of 40 cars are white, red, or black in color, and

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A number of 40 cars are white, red, or black in color, and [#permalink]

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New post 24 May 2009, 08:55
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A number of 40 cars are white, red, or black in color, and large, middle, or small in model. If there are 31 white cars, how many white large cars are there?
1). The black cars must be middle or small
2). The number of the large cars is greater than sum of the middle and small cars

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Re: DS CARS [#permalink]

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New post 24 May 2009, 09:38
IMO E

A number of 40 cars are white, red, or black in color, and large, middle, or small in model. If there are 31 white cars, how many white large cars are there?
1). The black cars must be middle or small
not sufficient

2). The number of the large cars is greater than sum of the middle and small cars
not sufficient

If combining 2 conditions: we have:
- WS + WL + WM = 31
- RL + RM + RS + BM + BS = 9
- WL + RL > WS + WM + RM + RS + BM + BS
--> WL + WS >20
--> still not sufficient

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Manager
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Joined: 04 Sep 2006
Posts: 113

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Re: DS CARS [#permalink]

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New post 01 Jun 2009, 09:50
can some one explain

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Concentration: Technology, Marketing
GMAT 1: 700 Q50 V34
GPA: 3
WE: Sales (Telecommunications)
Re: DS CARS [#permalink]

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New post 01 Jun 2009, 15:47
IMO E
What is the source ? OA explanation please?
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Lahoosaher

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Re: DS CARS   [#permalink] 01 Jun 2009, 15:47
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A number of 40 cars are white, red, or black in color, and

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