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List L consists of the 7 numbers u,-2u,-3u,-4u,-5u,-6u, and
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21 Dec 2017, 08:49
21 Dec 2017, 08:49
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Question Stats:
76% (00:53) correct
23% (00:37) wrong based on 82 sessions
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List L consists of the 7 numbers u,-2u,-3u,-4u,-5u,-6u, and -7u, where u≠0.
A. Quantity A is greater
B. Quantity B is greater.
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
kudo for the right solution and explanation
Quantity A |
Quantity B |
The median of the 7 numbers in list L |
u |
A. Quantity A is greater
B. Quantity B is greater.
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
kudo for the right solution and explanation
Re: List L consists of the 7 numbers u,-2u,-3u,-4u,-5u,-6u, and
[#permalink]
08 Jan 2018, 19:33
08 Jan 2018, 19:33
1
Median of u,-2u,-3u,-4u,-5u,-6u, and -7u is -4u
We can test any numbers
if u=-1/2 A is bigger, if u=2 B is bigger
We can test any numbers
if u=-1/2 A is bigger, if u=2 B is bigger
Re: List L consists of the 7 numbers u,-2u,-3u,-4u,-5u,-6u, and
[#permalink]
20 Nov 2018, 07:55
20 Nov 2018, 07:55
The answer must be D, it is true that the median is -4u so if we put u equall to -8 the result will be a positive number which is greater than A, and if we put u equal to a positive number then B is greater than A!!
