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# In the above table, scores and numbers of people are shown. If the med

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Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 6826
GMAT 1: 760 Q51 V42
GPA: 3.82
In the above table, scores and numbers of people are shown. If the med  [#permalink]

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20 Oct 2017, 00:14
00:00

Difficulty:

65% (hard)

Question Stats:

56% (01:42) correct 44% (02:00) wrong based on 90 sessions

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[GMAT math practice question]

Attachment:

10.20.png [ 2.58 KiB | Viewed 1089 times ]

In the above table, scores and numbers of people are shown. If the median score is not represented as the score shown on the table, which of the following scores can be the value of x?

A. 2
B. 3
C. 4
D. 5
E. 6

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"Only $149 for 3 month Online Course" "Free Resources-30 day online access & Diagnostic Test" "Unlimited Access to over 120 free video lessons - try it yourself" ##### Most Helpful Community Reply Retired Moderator Joined: 25 Feb 2013 Posts: 1220 Location: India GPA: 3.82 In the above table, scores and numbers of people are shown. If the med [#permalink] ### Show Tags Updated on: 20 Oct 2017, 01:38 3 2 MathRevolution wrote: [GMAT math practice question] Attachment: 10.20.png In the above table, scores and numbers of people are shown. If the median score is not represented as the score shown on the table, which of the following scores can be the value of x? A. 2 B. 3 C. 4 D. 5 E. 6 Total number of people $$= 2+8+x+7+8=25+x$$ if $$x$$ is even the then total number of people will be ODD, hence the median will be the mid value. As it is mentioned that the median is not represented in the chart and mid value will be a number from the chart, so it implies that $$x$$ is not EVEN. So option A, C & E are out so $$x$$ is either $$3$$ or $$5$$. if $$x$$ is $$3$$, then the total number will be $$25+3=28$$, hence the median will be mid value of 14th & 15th number. as 14th & 15th number in this case will be same $$(a+1)$$. Hence the median will be from the chart which is not possible. So $$x=5$$ Option D Originally posted by niks18 on 20 Oct 2017, 01:30. Last edited by niks18 on 20 Oct 2017, 01:38, edited 1 time in total. ##### General Discussion Intern Joined: 29 May 2012 Posts: 36 Re: In the above table, scores and numbers of people are shown. If the med [#permalink] ### Show Tags 20 Oct 2017, 01:21 I don't seem to have any idea to this question. Appreciate the OE please. Retired Moderator Joined: 25 Feb 2013 Posts: 1220 Location: India GPA: 3.82 Re: In the above table, scores and numbers of people are shown. If the med [#permalink] ### Show Tags 20 Oct 2017, 01:36 Paulli1982 wrote: I don't seem to have any idea to this question. Appreciate the OE please. Hi Paulli1982 Can you explain, what exactly you were not able to understand? Math Revolution GMAT Instructor Joined: 16 Aug 2015 Posts: 6826 GMAT 1: 760 Q51 V42 GPA: 3.82 Re: In the above table, scores and numbers of people are shown. If the med [#permalink] ### Show Tags 22 Oct 2017, 20:21 => The sum of numbers for a+1 and a+2 is 15 = 7 + 8. If 2 + 8 + x = 15, we don’t have the median on the table. Thus, 10 + x = 15 and we have x = 5. Therefore, the answer is D. Answer : D _________________ MathRevolution: Finish GMAT Quant Section with 10 minutes to spare The one-and-only World’s First Variable Approach for DS and IVY Approach for PS with ease, speed and accuracy. "Only$149 for 3 month Online Course"
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Intern
Joined: 10 May 2018
Posts: 7
Re: In the above table, scores and numbers of people are shown. If the med  [#permalink]

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30 Dec 2018, 13:54
I am not able to understand the question.Can someone help please
Re: In the above table, scores and numbers of people are shown. If the med &nbs [#permalink] 30 Dec 2018, 13:54
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