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by eagleeye » Wed Aug 01, 2012 3:53 pm
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Last edited by eagleeye on Thu Aug 02, 2012 6:24 am, edited 1 time in total.
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by manihar.sidharth » Thu Aug 02, 2012 5:02 am
Well the answer is C
It is from the Kaplan free test
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by GmatMathPro » Thu Aug 02, 2012 5:34 am
manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.
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by tisrar02 » Thu Aug 02, 2012 10:14 am
GmatMathPro wrote:
manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.
CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.
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by GMATGuruNY » Thu Aug 02, 2012 10:38 am
tisrar02 wrote:
GmatMathPro wrote:
manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.
CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.
The following reasoning is correct:
If n>-8, then it does not have to be true that n is between -6 and 10, inclusive.
But the problem states the REVERSE:
If n is between -6 and 10, inclusive -- as is given in the question stem -- then it must be true that n>-8, since every value between -6 and 10, inclusive, is greater than -8.
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by GmatMathPro » Thu Aug 02, 2012 1:34 pm
tisrar02 wrote:
GmatMathPro wrote:
manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.
CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.
Suppose I tell you that I have between 10 and 25 dollars in my wallet. Do I have more than 5 dollars in my wallet? Obviously the answer is yes.

To represent this mathematically, let x be the number of dollars in my wallet. Then we can say 10<=x<=25, and it MUST be true that x>5. This is the exact same thing that is going on in this problem. If n is between -6 and 10, then n must be bigger than -8.
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by tisrar02 » Fri Aug 03, 2012 4:54 am
GmatMathPro wrote:
tisrar02 wrote:
GmatMathPro wrote:
manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.
CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.
Suppose I tell you that I have between 10 and 25 dollars in my wallet. Do I have more than 5 dollars in my wallet? Obviously the answer is yes.

To represent this mathematically, let x be the number of dollars in my wallet. Then we can say 10<=x<=25, and it MUST be true that x>5. This is the exact same thing that is going on in this problem. If n is between -6 and 10, then n must be bigger than -8.
Makes a whole lot of sense now. Thank you
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