The percentage of households with an annual income of more : GMAT Critical Reasoning (CR)
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# The percentage of households with an annual income of more

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Senior Manager
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The percentage of households with an annual income of more [#permalink]

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27 Mar 2014, 08:57
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The percentage of households with an annual income of more than $40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of$60,000 or more is highest in Sommer county. If the statements above are true, which of the following can properly be concluded on the basis of them?

A. No household in Merton county has an annual income of $60,000 or more. B. Some households in Merton county have an annual income between$40,000 and $60,000. C. The number of households with an annual income of more than$40,000 is greater in Merton than in Sommer county.
D. Average annual household income is higher in Sommer than in Merton county.
E. The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county. Hi, I added this as previous posts don't have OA. Can anyone explain why A is wrong, please. [Reveal] Spoiler: OA If you have any questions you can ask an expert New! Magoosh GMAT Instructor Joined: 28 Dec 2011 Posts: 3712 Followers: 1299 Kudos [?]: 5862 [3] , given: 66 Re: The percentage of households with an annual income of more [#permalink] ### Show Tags 27 Mar 2014, 10:52 3 This post received KUDOS Expert's post 1 This post was BOOKMARKED goodyear2013 wrote: The percentage of households with an annual income of more than$40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of $60,000 or more is highest in Sommer county. If the statements above are true, which of the following can properly be concluded on the basis of them? A. No household in Merton county has an annual income of$60,000 or more.
B. Some households in Merton county have an annual income between $40,000 and$60,000.
C. The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county. D. Average annual household income is higher in Sommer than in Merton county. E. The percentage of households with an annual income of$80,000 is higher in Sommer than in Merton county.

Hi, I added this as previous posts don't have OA.
Can anyone explain why A is wrong, please.

Dear goodyear2013,
I'm happy to help.

Variants of this question are jumbled all over GC --- different orders and different combinations for the answer choices. FYI, in this configuration, (B) is the OA, not (C). Choice (C) makes the classic numbers/percentage confusion, a tried and true trap.

Why is (A) wrong? The short answer is: it's too extreme. When you are drawing a conclusion or inference on the GMAT CR, any choice with "always", "never", "no", "none", "every", etc. are usually not going to work. Any answer making any kind of absolute statement typically does not work.

Think about it. The prompt says: "the percentage of households with an annual income of $60,000 or more is highest in Sommer county." What could this mean? Well, it could mean: Sommer county: 10% of households have income >$60K
Merton county: 5% of households have income > $60K This would be 100% consistent with the information in the prompt. If 5% of the households in Merton county have incomes over$60,000, then that's obvious more than zero. Choice (A) makes the fallacy that if P > Q, then it must be true that Q is zero. That's far too much of a leap, given only that P > Q.

Does this make sense?
Mike
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Mike McGarry
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Re: The percentage of households with an annual income of more [#permalink]

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03 Apr 2014, 23:18
I totally agree with Mike. The correct Answer is B.

A)No household in Merton county has an annual income of $60,000 or more. Avoid using the words No, never , none. As these word denote extreme. C. The number of households with an annual income of more than$40,000 is greater
in Merton than in Sommer county.

Number Vs Percentage issue.

D. Average annual household income is higher in Sommer than in Merton county.

We cannot do average until and unless we know the No of people in each area.

E. The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county. A very trick option but i try to explain this in simple way We are given that P1 : households with an annual income of more than$40,000 is higher in
Merton county than in any other county.

It is possible that people with salaries higher than 80,000$are present in Merton. P2 : percentage of households with an annual income of$60,000 or more is highest in Sommer county.

It is possible that people with more than 80,000$are also present in Sommer. So, it is not possible to conclude that Sommer has more people earning 80.000$ than those in Sommer .
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Re: The percentage of households with an annual income of more [#permalink]

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27 Apr 2014, 10:46
goodyear2013 wrote:
The percentage of households with an annual income of more than $40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of$60,000 or more is highest in Sommer county. If the statements above are true, which of the following can properly be concluded on the basis of them?

A. No household in Merton county has an annual income of $60,000 or more. B. Some households in Merton county have an annual income between$40,000 and $60,000. C. The number of households with an annual income of more than$40,000 is greater in Merton than in Sommer county.
D. Average annual household income is higher in Sommer than in Merton county.
E. The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county. Hi, I added this as previous posts don't have OA. Can anyone explain why A is wrong, please. Answer is B. Please make sure to post correct OA while posting any question. This will help to avoid any confusion. Thanks. SVP Joined: 04 May 2006 Posts: 1926 Schools: CBS, Kellogg Followers: 23 Kudos [?]: 1013 [0], given: 1 Re: The percentage of households with an annual income of more [#permalink] ### Show Tags 03 May 2014, 01:18 goodyear2013 wrote: The percentage of households with an annual income of more than$40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of $60,000 or more is highest in Sommer county. If the statements above are true, which of the following can properly be concluded on the basis of them? A. No household in Merton county has an annual income of$60,000 or more.
B. Some households in Merton county have an annual income between $40,000 and$60,000.
C. The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county. D. Average annual household income is higher in Sommer than in Merton county. E. The percentage of households with an annual income of$80,000 is higher in Sommer than in Merton county.

Hi, I added this as previous posts don't have OA.
Can anyone explain why A is wrong, please.

The premise says: % of households with A.Income of more than 40k is higher than in MC than in any others, implying that 1: there may be at least 1 household in MC with a.income more than 60k, and 2: there may be NO household in MC of more than 60k
A. NO household in MC has A.income of more than 60k, ==> can not be PROPERLY concluded on that basis
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Re: The percentage of households with an annual income of more [#permalink]

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05 May 2014, 22:08
I too totally agree B is the official answer because in order to have an average annual income of >40,000$, some households can fall under 40,000 to 60,000$ category.
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Re: The percentage of households with an annual income of more [#permalink]

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06 May 2014, 00:24
B is the correct answer! I met it in the OG 13th and Im sure that the correct one is B, NOT C
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Re: The percentage of households with an annual income of more [#permalink]

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06 May 2014, 05:26
nhanqtvn wrote:
B is the correct answer! I met it in the OG 13th and Im sure that the correct one is B, NOT C

everyone is saying the answer is B but when i marked B as my answer the system gave C as the right one.
Can anyone check on this
Magoosh GMAT Instructor
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Re: The percentage of households with an annual income of more [#permalink]

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06 May 2014, 12:57
tyagigar wrote:
nhanqtvn wrote:
B is the correct answer! I met it in the OG 13th and Im sure that the correct one is B, NOT C

everyone is saying the answer is B but when i marked B as my answer the system gave C as the right one.
Can anyone check on this

Dear tyagigar,
I just changed the OA in the top entry to (B). I had said that in my post, the second on the page, but this brings everything on the page into consistency.

My friend, don't naively assume that questions on all GMAT Club are entered flawlessly with no absolutely errors. Anyone, ANYONE, can submit a question here. "Anyone" is an awfully big category --- someone who barely knows English, someone who has been awake for 30 hours, someone who is drunk, etc. Many people are quite careful, but some people entering questions make all kinds of mistakes --- spelling mistakes, missing sentences, missing diagrams, and yes, entering the wrong letter as the OA. Don't naively assume that the way it was entered by the first person is perfect. If everyone on the page, including experts, agrees that the answer is something else, that's a very good sign that the system, based on how the first person entered it, is not to be trusted.

Does all this make sense?
Mike
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Re: The percentage of households with an annual income of more [#permalink]

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17 Nov 2015, 06:01
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: The percentage of households with an annual income of more   [#permalink] 17 Nov 2015, 06:01
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