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In the Centerville Botanical Gardens, all tulip trees are

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Director
Joined: 29 Jul 2006
Posts: 851

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In the Centerville Botanical Gardens, all tulip trees are [#permalink]

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04 Apr 2007, 10:23
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In the Centerville Botanical Gardens, all tulip trees are older than any maples. A majority, but not all, of the gardenâ€™s sycamores are older than any of its maples. All the gardenâ€™s maples are older than any of its dogwoods.
If the statements above are true, which one of the following must also be true of trees in the Centerville Botanical Gardens?
(A) Some dogwoods are as old as the youngest tulip trees.
(B) Some dogwoods are as old as the youngest sycamores.
(C) Some sycamores are not as old as the oldest dogwoods.
(D) Some tulip trees are not as old as the oldest sycamores.
(E) Some sycamores are not as old as the youngest tulip trees.

I chose C but the OA is E...

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Manager
Joined: 20 Nov 2006
Posts: 213

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04 Apr 2007, 11:10
I choose E.

E) Some sycamores are not as old as the youngest tulip trees. - As some sycomores are less than or equal in age to the Maple trees. So these are definitely younger than the youngest tulip tree(s)

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Intern
Joined: 02 Apr 2007
Posts: 40

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04 Apr 2007, 14:44
t = tulip
m = maple
s1 = sycamore majority
s2 = sycamore minority
d = dogwood

t > m > d

s1 >m >= s2

A is not true
B may be true, but not a must
C may be true, but not a must
D may be true, but not a must

E MUST be true, since t > s2

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Manager
Joined: 07 Feb 2007
Posts: 212

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04 Apr 2007, 17:21
Tricky one. Finally got E.

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Manager
Joined: 28 Feb 2007
Posts: 195

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Location: California

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04 Apr 2007, 23:02
vineetgupta wrote:
In the Centerville Botanical Gardens, all tulip trees are older than any maples. A majority, but not all, of the gardenâ€™s sycamores are older than any of its maples. All the gardenâ€™s maples are older than any of its dogwoods.
If the statements above are true, which one of the following must also be true of trees in the Centerville Botanical Gardens?
(A) Some dogwoods are as old as the youngest tulip trees.
(B) Some dogwoods are as old as the youngest sycamores.
(C) Some sycamores are not as old as the oldest dogwoods.
(D) Some tulip trees are not as old as the oldest sycamores.
(E) Some sycamores are not as old as the youngest tulip trees.

I chose C but the OA is E...

E. try solving this using a time line and answer will become obvious.

Kudos [?]: 11 [0], given: 0

Director
Joined: 18 Jul 2006
Posts: 523

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05 Apr 2007, 01:54
E..

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05 Apr 2007, 01:54
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