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# If a certain grove consists of 36 pecan trees, what was the

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Intern
Joined: 25 Aug 2005
Posts: 47
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If a certain grove consists of 36 pecan trees, what was the [#permalink]  14 Oct 2005, 11:49
If a certain grove consists of 36 pecan trees, what was the yield per tree last year?

(1) The yield per tree for the 18 trees in the northern half of the grove was 60 kilograms last year

(2) The yield per tree for the 18 trees in the eastern half of the grove was 55 kilograms last year
Senior Manager
Joined: 02 Oct 2005
Posts: 303
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Kudos [?]: 7 [0], given: 0

(1) The yield per tree for the 18 trees in the northern half of the grove was 60 kilograms last year

>> INSUFF. This does not give the other part of the grove (south)

(2) The yield per tree for the 18 trees in the eastern half of the grove was 55 kilograms last year

>> Insuff, similar to 1

Combining 1 & 2, also Insufficient and we didn't get the other parts (South and east).

Hence I go with E

Whatz OA?
Current Student
Joined: 28 Dec 2004
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Location: New York City
Schools: Wharton'11 HBS'12
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I would say C

cause there is a total of 36 trees..
soo 18+18=36...so maybe the grove is just north half and east half...
VP
Joined: 22 Aug 2005
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Location: CA
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Sounds E to me too.

If we combine two statements.
North half and East half are not mutually exclusive. They might have some common trees.
Further, question stem talks about Pecan trees while options talk about just trees.
Director
Joined: 14 Oct 2003
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Location: On Vacation at My Crawford, Texas Ranch
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E - halves are not mutually exclusive
Director
Joined: 21 Aug 2005
Posts: 793
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Kudos [?]: 9 [0], given: 0

Agree with above explanations - Should be E

Consider the 4 quadrants in an XY plane.
North consists of Quad. I and II
East Consists of Quad I and IV

Also, it appears from both the choices that yield/tree is not a constant.
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