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cows, goats etc

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Source: — Data Sufficiency |
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Re: cows, goats etc

by vyomb » Fri Aug 07, 2009 1:50 am
tohellandback wrote:are some goats not cows?

1. all cows are lions
2. all lions are goats.

OA l8r
IMO C
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by pradeepsarathy » Fri Aug 07, 2009 7:08 am
IMO C as well.
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by tohellandback » Mon Aug 10, 2009 11:40 pm
OA is E

the only exception is when number of cows =number of goats=number of lions.

so CANNOT be determined from the given statements.
The powers of two are bloody impolite!!
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by sanjay_dce » Tue Aug 11, 2009 8:28 am
tohellandback wrote:OA is E

the only exception is when number of cows =number of goats=number of lions.

so CANNOT be determined from the given statements.
agree with oa
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by georgeung » Tue Aug 11, 2009 12:45 pm
That's tricky. I guessed C until I read the OA.

All cows are lions and all lions are goats.
all cows are goats.

But that does not mean all goats are cows.

If there are 100 cows, then there are 100 lions and then there are 100 goats.

But if there's 103 goats, then only 100 cows are goats, but there are 3 goats that aren't cows. Or if there are 100 goats, then they equal 100 cows. This makes both together insufficient.

Tricky. Nice play.
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hehe

by JeffB » Tue Aug 11, 2009 3:38 pm
Where did you find this problem?
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Re: hehe

by tohellandback » Tue Aug 11, 2009 10:04 pm
JeffB wrote:Where did you find this problem?
my little bro asked me this..I got C like everyone..so i thought I should post it for others to "learn"
The powers of two are bloody impolite!!
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Re: hehe

by sreak1089 » Wed Aug 12, 2009 8:35 am
smart problem :)
tohellandback wrote:
JeffB wrote:Where did you find this problem?
my little bro asked me this..I got C like everyone..so i thought I should post it for others to "learn"
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by sreak1089 » Wed Aug 12, 2009 8:36 am
This was something that I learnt in my very first critical reasoning class. How did it land up in DS...wow :o
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