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ab < 0

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sandy
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ab < 0 [#permalink] New post   30 Aug 2018, 07:26
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ab < 0

Quantity A
Quantity B
\(\frac{a+b}{2}\)
\(0\)


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.
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D
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cyanApples
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Re: ab < 0 [#permalink] New post   27 Sep 2018, 08:31
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Answer is D.

Multiple A and B by 2, we get

A = a+b
B = 0

We know that one of a or b is negative since a*b < 0. If the negative number has bigger magnitude than the positive the A will be negative, otherwise positive.

Solution is D
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Re: ab < 0 [#permalink] New post   17 Nov 2024, 03:01
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: ab < 0 [#permalink]
17 Nov 2024, 03:01
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