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#### Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here. # A student has test scores of 85, x, and y, respectively, and  Question banks Downloads My Bookmarks Reviews Important topics
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A student has test scores of 85, x, and y, respectively, and [#permalink]
Expert's post 00:00

Question Stats: 100% (00:49) correct 0% (00:00) wrong based on 10 sessions
A student has test scores of 85, x, and y, respectively, and an average (arithmetic mean) score of 95 on the three tests.

 Quantity A Quantity B The average (arithmetic mean) of x and y 100

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

_________________ GRE Forum Moderator
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Kudos [?]: 85  , given: 4

Re: A student has test scores of 85, x, and y, respectively, and [#permalink]
1
KUDOS
Carcass wrote:
A student has test scores of 85, x, and y, respectively, and an average (arithmetic mean) score of 95 on the three tests.

 Quantity A Quantity B The average (arithmetic mean) of x and y 100

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

80+x+y / 3 = 95

=> 80+x+y = 285
=> x+y = 200
=> x+y / 2 = 100.

Col A and B are same.

C.
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Kudos [?]: 11 , given: 0

Re: A student has test scores of 85, x, and y, respectively, and [#permalink]
We have:
Sum = 95*3 = 85 + x + y --> x + y = 95*3 - 85 = 200
Quantity A = (x + y)/2 = (200)/2 = 100 = Quantity B

Keys: C Re: A student has test scores of 85, x, and y, respectively, and   [#permalink] 13 Jun 2018, 17:48
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# A student has test scores of 85, x, and y, respectively, and  Question banks Downloads My Bookmarks Reviews Important topics Powered by phpBB © phpBB Group Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.