Of the 60 animals on a certain farm, 2/3 are either pigs or : DS Archive
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# Of the 60 animals on a certain farm, 2/3 are either pigs or

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Manager
Joined: 09 Sep 2004
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Of the 60 animals on a certain farm, 2/3 are either pigs or [#permalink]

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12 Sep 2004, 00:44
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Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How many of the animals are cows?
(1) The farm has more than twice as many cows as it has pigs.
(2) The farm has more than 12 pigs.
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12 Sep 2004, 06:27
C.
we have, 2/3 of 60 = 40 animals which are either pigs or cows.
1) Insufficient. It can be, say, (10P,30C) or (11P, 29C) or (12P,28C) or(13P,27C)
2) Insufficient. By itself it means the number of pigs can be 13 or 14 or whatever.

Together the number of pigs can only be 13 and the cows 27.
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12 Sep 2004, 09:45
Thanks venksune for this explanation.
12 Sep 2004, 09:45
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