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Is the number x between 0.2 and 0.7? (1) 560x < 280 (2) 700x > 280

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Is the number x between 0.2 and 0.7? (1) 560x < 280 (2) 700x > 280  [#permalink]

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New post 23 Sep 2018, 21:08
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A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

71% (01:04) correct 29% (01:21) wrong based on 34 sessions

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Joined: 06 Jan 2015
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Location: India
Concentration: Operations, Finance
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Re: Is the number x between 0.2 and 0.7? (1) 560x < 280 (2) 700x > 280  [#permalink]

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New post 23 Sep 2018, 21:19
Bunuel wrote:
Is the number x between 0.2 and 0.7?

(1) 560x < 280
(2) 700x > 280


Is the number x between 0.2 and 0.7?

Here (1) 560x < 280 ==> 560x < 280 = x< 0.5

This gives Case I) x=0.4 Gives Yes Case II) x=0.1 Gives No. Hence Not Suff

(2) 700x > 280 ==> 560x < 280 = x> 0.4

This gives Case I) x=0.5 Gives Yes Case II) x=0.8 Gives No. Hence Not Suff

Combining A & B x< 0.5 & x> 0.4

Hence C
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Re: Is the number x between 0.2 and 0.7? (1) 560x < 280 (2) 700x > 280 &nbs [#permalink] 23 Sep 2018, 21:19
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Is the number x between 0.2 and 0.7? (1) 560x < 280 (2) 700x > 280

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