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# What is the product of v, w, and x?

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Intern
Joined: 17 May 2014
Posts: 5
Location: United Kingdom
Concentration: General Management, Finance
GMAT 1: 470 Q28 V27
GPA: 3.4
WE: Accounting (Retail)
What is the product of v, w, and x?  [#permalink]

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17 Dec 2014, 03:11
6
00:00

Difficulty:

5% (low)

Question Stats:

93% (00:17) correct 7% (00:19) wrong based on 245 sessions

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What is the product of v, w, and x?

(1) The product of v and w is 0.
(2) x=5
Intern
Joined: 17 May 2014
Posts: 5
Location: United Kingdom
Concentration: General Management, Finance
GMAT 1: 470 Q28 V27
GPA: 3.4
WE: Accounting (Retail)
Re: What is the product of v, w, and x?  [#permalink]

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17 Dec 2014, 03:14
pierferraro wrote:
What is the product of v, w, and x?
(1) The product of v and w is 0.
(2) x=5

Statement 1 says that the product of v and w is 0, hence v or w (or both) = 0
Sufficient because if any of term in a multiplication equals 0 the product of the multiplication will be 0

Statement 2 says that x is 5
Insufficient because it does not say anything about v or w.
I would be sufficient if x=0

Manager
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What is the product of v, w, and x?  [#permalink]

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17 Dec 2014, 06:03
1. It states that vw=0 ,
if x=infinity then we cannot determine the product value as it becomes 0*(1/0) so 0/0>>cant be determined. insufficient

2. x=5; but we dont know the values of v and w; insufficient

1+2>> Suffcient since x value is finite.

Hence Ans C ....

I am not sure how the OA is A because we never know what value x can take.
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Joined: 02 Sep 2009
Posts: 52343
Re: What is the product of v, w, and x?  [#permalink]

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17 Dec 2014, 06:05
1
uday1409 wrote:
1. It states that vw=0 ,
if x=infinity then we cannot determine the product value as it becomes 0*(1/0) so 0/0>>cant be determined. insufficient

2. x=5; but we dont know the values of v and w; insufficient

1+2>> Suffcient since x value is finite.

Hence Ans C ....

I am not sure how the OA is A because we never know what value x can take.

Don't complicate things. Infinity is not a number.
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Intern
Joined: 17 May 2014
Posts: 5
Location: United Kingdom
Concentration: General Management, Finance
GMAT 1: 470 Q28 V27
GPA: 3.4
WE: Accounting (Retail)
Re: What is the product of v, w, and x?  [#permalink]

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17 Dec 2014, 06:09
uday1409 wrote:
1. It states that vw=0 ,
if x=infinity then we cannot determine the product value as it becomes 0*(1/0) so 0/0>>cant be determined. insufficient

2. x=5; but we dont know the values of v and w; insufficient

1+2>> Suffcient since x value is finite.

Hence Ans C ....

I am not sure how the OA is A because we never know what value x can take.

Infinity is not a number
Intern
Joined: 11 Sep 2016
Posts: 4
Re: What is the product of v, w, and x?  [#permalink]

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30 Sep 2016, 14:54
how can we determine if x is 8 or 10 or 10000?
Math Expert
Joined: 02 Sep 2009
Posts: 52343
Re: What is the product of v, w, and x?  [#permalink]

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01 Oct 2016, 01:50
What is the product of v, w, and x?

(1) The product of v and w is 0.
(2) x=5

how can we determine if x is 8 or 10 or 10000?

It does not matter. Since from (1) v*w = 0, then v*w*x = 0*x = 0, regardless of the value of x.
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Re: What is the product of v, w, and x?  [#permalink]

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13 Feb 2018, 20:01
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Re: What is the product of v, w, and x? &nbs [#permalink] 13 Feb 2018, 20:01
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