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by neerajkumar1_1 » Sun Apr 11, 2010 8:41 am
Q30:
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.
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by magizhan » Sun Apr 11, 2010 9:00 am
B

And I saw this question in a couple of more threads.

https://www.beatthegmat.com/inference-qu ... 15429.html


Don't you search before you post questions?
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by treker » Tue Apr 13, 2010 3:24 am
neerajkumar1_1 wrote:Q30:
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.
I have a question regarding option B
Lets assume that Merton has 10 households, and 8 out of them have annual income between 40k and 60k. Does "Some households" as in choice B hold true even now?
Thanks!
- Treker
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by kevincanspain » Tue Apr 13, 2010 4:11 am
some= more than 1

Some people who take the GMAT would like to do an MBA in the future
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by paddle_sweep » Sun Apr 18, 2010 1:55 am
I think the answer should be "C". Please confirm the OA.
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by vikramveer » Thu May 13, 2010 12:05 pm
Can anyone explain me what is the problem with E. I think E is just fine..
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by analyst218 » Thu May 13, 2010 12:24 pm
vikramveer wrote:Can anyone explain me what is the problem with E. I think E is just fine..
the problem is that it might and might not be true.

8000 is more than both 4000 and 6000. you cannot conclude E from the passage.
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by MRehman » Thu May 13, 2010 2:13 pm
One more for B
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by bupbebeo » Thu May 13, 2010 6:57 pm
paddle_sweep wrote:I think the answer should be "C". Please confirm the OA.

C can't be correct.

10 out of 100 people in Merton have income over 40,000 USD. it means 10%

100 out of 10000 people in Sommer have income over 40,000 USD. it means 1%

From example above, percentage of people in merton have income over 40,000 is greater than that of people in Sommer. But the number of people in merton have income over 40,000 is smaller than that of people in Sommer. You get it.

As you can see: percentage cannot represent the amount, or the solid number. Please be careful!!!
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