If it is true that –6<=n<=10, which of the following must be true?
A)n < 8
b)n = –6
c)n > –8
d)-10 < n < 7
e)none of the above
A)n < 8
b)n = –6
c)n > –8
d)-10 < n < 7
e)none of the above
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C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.GmatMathPro wrote:C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
The following reasoning is correct:tisrar02 wrote:CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.GmatMathPro wrote:C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
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.tisrar02 wrote:CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.GmatMathPro wrote:C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
Makes a whole lot of sense now. Thank youGmatMathPro wrote: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.tisrar02 wrote:CAn you please explain this answer choice? What about -7? or -7.9? They are not in the range.GmatMathPro wrote:C is correct. n is between -6 and 10, inclusive. Every single number in that range is greater than -8, hence n>-8.manihar.sidharth wrote:Well the answer is C
It is from the Kaplan free test
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.