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If x and y are nonzero integers, is x/y an integer?

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dzodzo85
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If x and y are nonzero integers, is x/y an integer? [#permalink] New post  03 Apr 2012, 01:41
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If x and y are nonzero integers, is x/y an integer?

(1) x is the product of 2 and some other integer.
(2) There is only one pair of positive integers whose product equals y.
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  03 Apr 2012, 01:50
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If x and y are nonzero integers, is x/y an integer?

(1) x is the product of 2 and some other integer --> x=2*integer --> x is an even number. Not sufficient, since no info about y.

(2) There is only one pair of positive integers whose product equals y --> y is a prime number or 1. Not sufficient, since no info about x.

(1)+(2) If \(x=2\) and \(y=2=prime\) then \(\frac{x}{y}=1=integer\) but if \(x=2\) and \(y=3=prime\) then \(\frac{x}{y}=\frac{1}{3}\neq{integer}\). Not sufficient.

Answer: E.
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  03 Apr 2012, 01:46
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If x and y are nonzero integers, is x/y an integer?

1. x is the product of 2 and some other integer.
2. There is only one pair of positive integers whose product equals y.


Question is asking whether X is divisible by Y

1. OK so this tells us that x is even - Not sufficient

2. this tells us that y is prime or 1 - insufficient

1 + 2 if x is even and y is prime or 1 do we always get an integer? Answer is no.. sometimes we do when Y is 2 or 1 we would get an integer.. hence insufficent

Answer is E
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  08 Feb 2015, 07:57
Hi,

I did do it like you, but I have one question.

So, statement one tells us that x=2*n, n is an integer.

Does this also tell us that x>=2, or we would also count 0, so x could be zero?
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  09 Feb 2015, 02:02
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pacifist85 wrote:
Hi,

I did do it like you, but I have one question.

So, statement one tells us that x=2*n, n is an integer.

Does this also tell us that x>=2, or we would also count 0, so x could be zero?


The stem says that x and y are nonzero integers, so neither x nor y can be 0.
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  17 Jun 2018, 03:40
tarunanandani wrote:
If x and y are nonzero integers, is \(\frac{x}{y}\) an integer?

(1) x is the product of 2 and some other integer.
(2) There is only one pair of positive integers whose product equals y.


The questions is asking whether X is divisible by y or x is a multiple of y.


Statement 1: x = 2 * q . here q can be any integer other than 0. therefore not sufficient
statement 2: Only a prime number is a product of two positive integers. therefore y could be any prime number. Not sufficient

combined: no link between q and y, therefore not sufficient.
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  20 May 2020, 01:24
Hi

1) said x is a multiple of two, so we have an even integer, but we do not know which one is. So the statement is not sufficient.

2)Say y is a prime number because only a specific pair will have as result y.
axb=y if y=3 a and b are 1 and 3. And there is only one pair of integers to give 3. If y=9 we have 9x1 and 3x3, two different possibility. So y is a prime number. Statement 2 is not sufficient.

1+2) we know that x is a multiple of 2 and we know that y is a prime number.

If x is 2,4,8, and y is 2 so x/y is an integer if y is = 3 we do not have an integer. Because we do not know y value is not sufficient.
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink] New post  02 Dec 2022, 10:46
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Re: If x and y are nonzero integers, is x/y an integer? [#permalink]
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