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Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360

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Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360 [#permalink]

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New post 10 Mar 2017, 07:04
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E

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67% (01:17) correct 33% (00:31) wrong based on 19 sessions

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Re: Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360 [#permalink]

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New post 10 Mar 2017, 07:58
Bunuel wrote:
Is number x between 0.2 and 0.5 ?

(1) 300x > 54
(2) 900x < 360


I figured E.

1- 300x > 54 --> x > 54/300 --> x > 0.18 -- Not sufficient.

2- 900x < 360 --> x < 360/900 --> x < 0.4 -- Not sufficient alone.

Even if we combine them 0.18 < x < 0.4 which leaves possibility for x to be outside this range as in 0.19. I guess both combined are not sufficient either.
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Re: Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360 [#permalink]

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New post 10 Mar 2017, 08:05
Bunuel wrote:
Is number x between 0.2 and 0.5 ?

(1) 300x > 54
(2) 900x < 360



(1) x > 54/300= 0.18.....insuff
(2) x< 360/900 = 0.4 ......insuff

combining 0.18<x<0.4
then if x =0.19 ...NO
but if x =0.3...YES
insuff

Ans E
Re: Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360   [#permalink] 10 Mar 2017, 08:05
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