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If y ≠ 3 and is a prime integer greater than 2, which

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Manager
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If y ≠ 3 and is a prime integer greater than 2, which [#permalink]

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New post 10 Jan 2005, 04:56
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If y ≠ 3 and is a prime integer greater than 2, which of the following must be true?
Ⅰ. x = y
Ⅱ. y = 1
Ⅲ. x and y are prime integers.



Could any body tell me why None of them will be true?
Director
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New post 10 Jan 2005, 07:02
I think this Q is incomplete what is x somthign is wrong with this Q
Director
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New post 10 Jan 2005, 07:41
what is x in this question.. no relation s hown?
Manager
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New post 10 Jan 2005, 09:33
I think I missed some information while copying. Here it is...
If y ≠ 3 and x/y is a prime integer greater than 2, which of the following must be true?
Ⅰ. x = y
Ⅱ. y = 1
Ⅲ. x and y are prime integers.



Could any body tell me why None of them will be true?
Director
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New post 10 Jan 2005, 15:50
I) If x were equal to y, x/y =1. Since x/y is a prime integer greater than 2, this can't be true.

II) y = 1
If y=1, x/y = x, which need not be prime, if we use a non-prime value of x such as 4. So, not true

III) x and y are prime integers
x/y is not an integer. So, not true

None!
  [#permalink] 10 Jan 2005, 15:50
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If y ≠ 3 and is a prime integer greater than 2, which

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