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a/b = 1/3 and b/c = 15/4

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a/b = 1/3 and b/c = 15/4 [#permalink] New post 17 Sep 2018, 09:29
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Question Stats:

28% (00:48) correct 71% (00:40) wrong based on 14 sessions
a/b = 1/3 and b/c = 15/4

Quantity A
Quantity B
a
c
[Reveal] Spoiler: OA
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Re: a/b = 1/3 and b/c = 15/4 [#permalink] New post 17 Sep 2018, 09:43
please provide an explanation....
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Re: a/b = 1/3 and b/c = 15/4 [#permalink] New post 17 Sep 2018, 10:36
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Expert's post
nomomuffins wrote:
a/b = 1/3 and b/c = 15/4

Quantity A
Quantity B
a
c


Let's test some possible values that satisfy BOTH equations.

case i) a = 5, b = 15 and c = 4
Notice that a/b = 5/15 = 1/3 and b/c = 15/4
In this case, a = 5 and c = 4
So, QUANTITY A IS GREATER

case ii) a = -5, b = -15 and c = -4
Notice that a/b = -5/-15 = 1/3 and b/c = -15/-4 = 15/4
In this case, a = -5 and c = -4
So, QUANTITY B IS GREATER

Answer: D

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Re: a/b = 1/3 and b/c = 15/4   [#permalink] 17 Sep 2018, 10:36
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a/b = 1/3 and b/c = 15/4

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