What is the value of 5x/yz? (1) xyz = 40 (2) yz/x=10 : Quant Question Archive [LOCKED]
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# What is the value of 5x/yz? (1) xyz = 40 (2) yz/x=10

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Manager
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What is the value of 5x/yz? (1) xyz = 40 (2) yz/x=10 [#permalink]

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21 Mar 2006, 17:33
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

What is the value of 5x/yz?

(1) xyz = 40

(2) yz/x=10

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT SUFFICIENT
Manager
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21 Mar 2006, 18:09
ellisje22 wrote:
What is the value of 5x/yz?

(1) xyz = 40

(2) yz/x=10

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT SUFFICIENT

1) xyz=40 x= 40/yz
solve for 5x/ yz ..Suff

2) yz/x=10, x=yz/10
can't solve for 5x/yz....Insuff

Please discuss this and pinpoint if i went wrong in my answer, thanks
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21 Mar 2006, 19:22
Angela780 wrote:
ellisje22 wrote:
What is the value of 5x/yz?

(1) xyz = 40

(2) yz/x=10

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT SUFFICIENT

1) xyz=40 x= 40/yz
solve for 5x/ yz ..Suff

2) yz/x=10, x=yz/10
can't solve for 5x/yz....Insuff

Please discuss this and pinpoint if i went wrong in my answer, thanks

i have to disagree and go with B

What is the value of 5x/yz?

(1) xyz = 40
i cant see how x= 40/yz is suff...sub that into the actual question and I think it ends up sqauring the denomintor

(2) yz/x=10
inverse this and you get x/yz=1/10
look at the intial question, Factor it out and it'll look like 5*(x/yz)

therefore i say B
Manager
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21 Mar 2006, 19:42

(2) yz/x = 10 ---> x/yz = 1/10

Enough to obtain a value for 5 * x/yz, which is the question.
Manager
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22 Mar 2006, 02:46
I think it's B.

Statement 1 won't give you just one value.
Statement 2 says that x/yz=1/10, so 5x/yz must be 5/10=1/2
22 Mar 2006, 02:46
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