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What is the value of x?

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What is the value of x? [#permalink]

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New post 11 Jan 2010, 06:41
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Question Stats:

65% (00:56) correct 35% (00:56) wrong based on 218 sessions

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What is the value of x?

(1) When x is multiplied by 8, the result is between 50 and 60.
(2) When x is doubled, the result is between 10 and 15.
[Reveal] Spoiler: OA

Last edited by Bunuel on 27 Jul 2015, 10:11, edited 1 time in total.
Renamed the topic, edited the question and added the OA.

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Re: What is the value of x? [#permalink]

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New post 11 Jan 2010, 07:03
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vageesh wrote:
WANT TO VERIFY MY ANSWER WITH OA

What is the value of x?
(1) When x is multiplied by 8, the result is between 50 and 60.
(2) When x is doubled, the result is between 10 and 15.


i think the no is 7 & answer is C but OA is diff.


i think you are assuming X has to be an INTEGER which from the question it doesnt have to be.

So 50/8 = ~6.3 and 60/8 =~7.5
Now when you double any of them they should be between 10 and 15... which basically mean the entire range.

so answer is E?
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New post 11 Jan 2010, 08:12
oh yes, silly mistake.. E is the answer

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Re: What is the value of x? [#permalink]

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New post 12 Jan 2010, 08:40
5<x<7.5
6.25<x<7.5

x could be anything , even if we take A+B.
hence E

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Re: What is the value of x? [#permalink]

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New post 27 Jul 2015, 11:13
Hello from the GMAT Club BumpBot!

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Re: What is the value of x? [#permalink]

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New post 05 May 2016, 03:54
same mistake. assumed X to be integer. Is there any sure shot way to avoid these kind of mistakes?
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Re: What is the value of x? [#permalink]

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New post 05 May 2016, 14:17
Not making any assumption regarding x is the key to solve this question
x can be anything ( integer , fraction ) as it not explicitly stated that x is integer
Statement 1 doesn't help in finding value of x so insufficient
Statement 2 doesn't help in finding value of x so insufficient
combining both statements we don't get any new information about x
correct answer - E

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Re: What is the value of x? [#permalink]

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New post 25 Jul 2017, 04:21
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: What is the value of x?   [#permalink] 25 Jul 2017, 04:21
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