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If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)

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If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)  [#permalink]

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New post 02 Apr 2018, 05:19
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If N is a positive integer, is X*Y an even integer?

(1) N = X/16.

(2) N = Y/32.
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Re: If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)  [#permalink]

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New post 02 Apr 2018, 06:00
Statement 1 - N = x/16

X is even. As there is no multiple of 16 that is odd.

PS: N is an integer

Statement 2 - N = Y/32

Y is even. As there is no multiple of 32 that is odd.

PS: N is an integer


Hence, the answer is D.


amanvermagmat wrote:
If N is a positive integer, is X*Y an even integer?

(1) N = X/16.

(2) N = Y/32.
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Re: If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)  [#permalink]

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New post 02 Apr 2018, 06:40
1
If N is a positive integer, is X*Y an even integer?

(1) N = X/16.
Since N is an integer, it means X is even integer, because only Even/Even gives an integer
But Y can be integer or Non integer . Hence X*Y can be Even integer or a non integer.
It is insufficient.

(2) N = Y/32.
Since N is an integer, it means Y is even integer, because only Even/Even gives an integer
But X can be integer or Non integer . Hence X*Y can be Even integer or a non integer.
It is insufficient.

Combining Both Statements 1 & 2, we get
X and Y are even integers, hence X*Y is even integers.

Answer C
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Re: If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)  [#permalink]

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New post 02 Apr 2018, 08:34
amanvermagmat wrote:
If N is a positive integer, is X*Y an even integer?

(1) N = X/16.

(2) N = Y/32.


(1) N = X/16. Then X=16N,
Since N is an integer, it means X is even integer .
But Y can be integer or Non integer . Hence X*Y can be Even integer or a non integer.
It is insufficient.

(2) N = Y/32.Then 32N = Y
Since N is an integer, it means Y is even integer .
But X can be integer or Non integer . Hence X*Y can be Even integer or a non integer.
It is insufficient.

Combining Both Statements 1 & 2, we get
X and Y are even integers, hence X*Y is even integers.

Answer C
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Re: If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)   [#permalink] 02 Apr 2018, 08:34
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