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tq=0

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tq=0 [#permalink] New post 17 Jun 2018, 09:38
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Question Stats:

83% (00:20) correct 16% (00:32) wrong based on 31 sessions
\(tq=0\)

\(rq=1\)

Quantity A
Quantity B
t
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.
[Reveal] Spoiler: OA

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Re: tq=0 [#permalink] New post 20 Jun 2018, 08:26
someone please explain
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Re: tq=0 [#permalink] New post 20 Jun 2018, 11:17
Expert's post
\(tq=0\)

This means that or t or q or both are zero

\(0*1=0 , 1*0=0, 0*0=0\)

The second equation says you that \(rq=1\). Now, \(r =1\) and \(q=\frac{1}{2}\) for being rq=1. Or vice-versa but this does not matter. What we care is that q must be equal to a certain number.

As it turns out, in the first equation \(tq= 0\), q = a number. As such, t must be equal to zero for being \(tq=0\)

The answer is C:

Hope this helps.

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Re: tq=0   [#permalink] 20 Jun 2018, 11:17
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