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If V = 10x/(3y) and y ≠ 0, what is the value of V ?

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Joined: 02 Sep 2009
Posts: 47077
If V = 10x/(3y) and y ≠ 0, what is the value of V ? [#permalink]

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New post 20 Dec 2017, 06:28
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

75% (00:48) correct 25% (00:44) wrong based on 48 sessions

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Joined: 22 Aug 2013
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Re: If V = 10x/(3y) and y ≠ 0, what is the value of V ? [#permalink]

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New post 20 Dec 2017, 11:02
1
Bunuel wrote:
If V = 10x/(3y) and y ≠ 0, what is the value of V ?

(1) 5x is three times the value of one-half of 3y.
(2) y = 1/12



V = 10x/3y or 10/3 * x/y. To find V, we need to have the ratio of x/y

(1) 5x = 3 * 1/2 * 3y = 9y/2. We can bring y to the left side and this will give us the ratio of x/y. Sufficient.

(2) y = 1/12, but we dont know anything x. Insufficient.

Hence A answer
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Re: If V = 10x/(3y) and y ≠ 0, what is the value of V ? [#permalink]

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New post 26 Dec 2017, 08:40
1
Bunuel wrote:
If V = 10x/(3y) and y ≠ 0, what is the value of V ?

(1) 5x is three times the value of one-half of 3y.
(2) y = 1/12


Given \(V=\frac{10x}{3y}\)

Find V=?

For 'V' we should know the value of (x & y) OR \(\frac{x}{y}\) OR \(\frac{10x}{3y}\)

Statement 1 5x is three times the value of one-half of 3y.
=> \(5x=3*\frac{3y}{2}\)
=> \(5x*2=3*3y\)
=> \(10x=3*3y\)
=> \(\frac{10x}{3y}=3\)
=> Therefore SUFFICIENT

Statement 2 \(y=\frac{1}{2}\)
=> Value of 'y' available BUT 'x' NOT known
=> Therefore NOT SUFFICIENT

Therefore 'A'

Thanks
Dinesh
Re: If V = 10x/(3y) and y ≠ 0, what is the value of V ?   [#permalink] 26 Dec 2017, 08:40
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