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If r > 0, is rs < 0 ? (1) s < 0 (2) s < r

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Joined: 02 Sep 2009
Posts: 47898
If r > 0, is rs < 0 ? (1) s < 0 (2) s < r  [#permalink]

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New post 07 Nov 2017, 23:46
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

85% (00:19) correct 15% (00:28) wrong based on 41 sessions

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Joined: 28 Dec 2010
Posts: 49
Re: If r > 0, is rs < 0 ? (1) s < 0 (2) s < r  [#permalink]

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New post 07 Nov 2017, 23:55
r<0
So rs<0 can be answered if s>0 or s<0.

1. Sufficient.
2. s could be <0 or >0.
Not Sufficient.

A.
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Re: If r > 0, is rs < 0 ? (1) s < 0 (2) s < r  [#permalink]

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New post 08 Nov 2017, 05:21
Bunuel wrote:
If r > 0, is rs < 0 ?

(1) s < 0

(2) s < r



\(r > 0\), then question might be rephrased to be, is \(s < 0\) ?

1) s < 0

The facts tells us a fact

Sufficient

(2) s < r

Let r =2 & s = 1......Answer is No

Let r =2 & s =-1......Answer is Yes

Insufficient

Answer: A
Re: If r > 0, is rs < 0 ? (1) s < 0 (2) s < r &nbs [#permalink] 08 Nov 2017, 05:21
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