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# rt > 0

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rt > 0 [#permalink]  26 Aug 2018, 02:58
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Question Stats:

25% (01:31) correct 75% (00:54) wrong based on 8 sessions
$$rt > 0$$

 Quantity A Quantity B $$\frac{3}{r} + \frac{4}{t}$$ $$\frac{3t + 4r}{r + t}$$

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.

Kudos for R.A.E
[Reveal] Spoiler: OA

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Re: rt > 0 [#permalink]  26 Aug 2018, 05:01
Carcass wrote:
$$rt > 0$$

 Quantity A Quantity B $$\frac{3}{r} + \frac{4}{t}$$ $$\frac{3t + 4r}{r + t}$$

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.

Kudos for R.A.E

Here,

r and t could be either both positive , both negative , fraction

if r and t are considered negative integer then QTY A > QTY B

if r and t are considered positive integer then QTY A < QTY B

Hence option D
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Re: rt > 0   [#permalink] 26 Aug 2018, 05:01
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