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How many milliliters of Chemical X were added to the Chemical Y in a

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How many milliliters of Chemical X were added to the Chemical Y in a  [#permalink]

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New post 16 Oct 2018, 23:27
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Question Stats:

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How many milliliters of Chemical X were added to the Chemical Y in a vessel?


(1) The amount of Chemical X that was added was 2/3 times the amount of Chemical Y in the vessel.

(2) There was 60 milliliters of Chemical Y in the vessel

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Re: How many milliliters of Chemical X were added to the Chemical Y in a  [#permalink]

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New post 19 Oct 2018, 05:54
Bunuel wrote:
How many milliliters of Chemical X were added to the Chemical Y in a vessel?


(1) The amount of Chemical X that was added was 2/3 times the amount of Chemical Y in the vessel.

(2) There was 60 milliliters of Chemical Y in the vessel


Question: Quantity of Chemical X = ?

Statement 1: The amount of Chemical X that was added was 2/3 times the amount of Chemical Y in the vessel.

This tells us the percentage of Chemical X but no absolute quantities are known hence
NOT SUFFICIENT

Statement 2: There was 60 milliliters of Chemical Y in the vessel

Quantity of Chemical X can NOT be determined as the relationship between quantities of X and Y is unknown hence
NOT SUFFICIENT

Combining the two statements

X = (2/3)*Y and Y = 60
i.e. X = 40 millimeters

SUFFICIENT

Answer: Option C
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Re: How many milliliters of Chemical X were added to the Chemical Y in a  [#permalink]

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New post 20 Oct 2018, 04:36
X=?

(1) x=\(\frac{2}{3}\)Y. [No inf about Y]

(2) Y=60 [No link between X and Y]

Put (2) in (1)
We can find the value of X

Answer: C.
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Re: How many milliliters of Chemical X were added to the Chemical Y in a &nbs [#permalink] 20 Oct 2018, 04:36
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How many milliliters of Chemical X were added to the Chemical Y in a

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