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ab > 0 and bc < 0
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30 Aug 2018, 16:32
30 Aug 2018, 16:32
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Question Stats:
61% (00:46) correct
38% (00:37) wrong based on 167 sessions
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\(ab > 0\)
\(bc < 0\)
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
\(bc < 0\)
Quantity A |
Quantity B |
\(ac\) |
\(0\) |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Re: ab > 0 and bc < 0
[#permalink]
02 Sep 2018, 02:59
02 Sep 2018, 02:59
2
Given:
ab>0. This implies both a and b are of same sign
bc < 0. This implies both b and c are opposite sign
Following matrix can be created based on information given:
a b c
- - +
+ + -
clearly from the matrix above both a and c are always opposite signs; meaning their product will be always negative or ac < 0
hence answer quantity B is bigger. Answer choice B
ab>0. This implies both a and b are of same sign
bc < 0. This implies both b and c are opposite sign
Following matrix can be created based on information given:
a b c
- - +
+ + -
clearly from the matrix above both a and c are always opposite signs; meaning their product will be always negative or ac < 0
hence answer quantity B is bigger. Answer choice B
