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pierferraro
Joined: 17 May 2014
Last visit: 13 Oct 2015
Posts: 5
Given Kudos: 3
Location: United Kingdom
Concentration: General Management, Finance
Schools: Stern '17 HBS '17 CBS '17 Wharton '17 ESADE '16 Stanford '17
GMAT 1: 470 Q28 V27
GPA: 3.4
WE:Accounting (Retail: E-commerce)
17 Dec 2014, 04:11
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
92% (00:16) correct
8%
(00:31)
wrong
based on 345
sessions
History
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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
(1) The product of v and w is 0.
(2) x=5
pierferraro
Joined: 17 May 2014
Last visit: 13 Oct 2015
Posts: 5
Given Kudos: 3
Location: United Kingdom
Concentration: General Management, Finance
Schools: Stern '17 HBS '17 CBS '17 Wharton '17 ESADE '16 Stanford '17
GMAT 1: 470 Q28 V27
GPA: 3.4
WE:Accounting (Retail: E-commerce)
17 Dec 2014, 04:14
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pierferraro
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
Answer A
17 Dec 2014, 07:03
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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.
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.
