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Director  Joined: 16 May 2014
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GRE 1: Q165 V161 Followers: 100

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Practice Question #1-Which two of the following numbers [#permalink]
Expert's post 00:00

Question Stats: 80% (00:40) correct 20% (00:26) wrong based on 5 sessions
Which two of the following numbers have a product that is between –1 and 0?

Indicate both of the numbers.

(A) –20
(B) –10
(C) $$\frac{1}{2^4}$$
(D) $$\frac{1}{3^2}$$
[Reveal] Spoiler: OA

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If you find this post helpful, please press the kudos button to let me know ! Director  Joined: 16 May 2014
Posts: 594
GRE 1: Q165 V161 Followers: 100

Kudos [?]: 520 , given: 64

Re: Practice Question #1 [#permalink]
Expert's post

Solution

For this question, you must select a pair of answer choices. The product of the pair must be negative, so the possible products are $$(-20)/2^4, (-20)/3^2,(-10)/2^4 & (-20)/3^2.$$
The first product is $$(-20)/2^4 = -\frac{20}{16} < -1$$, the second product is $$(-20)/3^2 = -\frac{20}{9} < -1$$, and the third product is, $$(-10)/2^4 = -\frac{10}{16} < -1$$, so you can stop there.
The correct answer consists of Choices B (–10) and C $$\frac{1}{2^4}$$.
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If you find this post helpful, please press the kudos button to let me know ! Intern Joined: 10 Jun 2018
Posts: 32
Followers: 0

Kudos [?]: 17 , given: 4

Re: Practice Question #1-Which two of the following numbers [#permalink]
A number between -1 and 0 will be negative decimal number.
from option B and C we find, B/C = -10/16 which is between -1 and 0. Re: Practice Question #1-Which two of the following numbers   [#permalink] 04 Sep 2018, 19:49
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