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Re: 465 pet owners were surveyed to determine whether they owned [#permalink]
Carcass wrote:
465 pet owners were surveyed to determine whether they owned cats or dogs. 355 said they had at least one cat and 260 said they had at least one dog. Assuming that every couple surveyed had at least one cat or dog, which of the following statements must be true?

Indicate all such statements.

A. More than half of the cat owners are also dog owners
B. More than half of the dog owners are also cat owners
C. None of the pet owners have both cats and dogs


Total = 465
At-least 1 Cat = 355
At-least 1 Dog = 260

Both = 355 + 260 - 465 = 150

So, Only Cats = 355 - 150 = 205
Only Dogs = 110

A. More than half of the cat owners are also dog owners - NO
Dog owners are 150 which are 42.2% of the ones who own Cats

B. More than half of the dog owners are also cat owners - YES
Cat owners are 150 which are 57.6% of the ones who own Dogs

C. None of the pet owners have both cats and dogs - NO
355 + 260 ≠ 465

Hence, option B
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Re: 465 pet owners were surveyed to determine whether they owned [#permalink]
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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