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Computers manufactured after 1998

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by getk » Sat Oct 18, 2008 10:41 am
Hi Guys, plz find one question..
****************************************
All computers manufactured after 1998 have a minimum processing speed of 400 MHz. My computer has a processing speed of 399 MHz.

Which of the following can definitely NOT be concluded from the above statements?
I) My computer was definitely manufactured after 1998.
II) My computer may have been manufactured in 1998.
III) If it had been manufactured a year later, my computer would have had a faster processing speed.

(A) I only

(B) II only

(3) III only

(D) I and III only

(E) II and III only
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by gmat009 » Sat Oct 18, 2008 10:47 am
IMO D, What's OA
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by Bidisha800 » Sat Oct 18, 2008 10:53 am
(B)
Edit : I misread the question. I thought it is asking what can be inferred.

II can only be inferred. Therefore, I and III can NOT be inferred.
Last edited by Bidisha800 on Sat Oct 18, 2008 8:14 pm, edited 1 time in total.
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by getk » Sat Oct 18, 2008 10:55 am
question is from crack-gmat. Answer given is D

I choose E. :(

Can you please explain it?

1st point is "My computer was definitely manufactured after 1998" which can be surely concluded from the passage rt?
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by gmat009 » Sat Oct 18, 2008 11:15 am
getk wrote:question is from crack-gmat. Answer given is D

I choose E. :(

Can you please explain it?

1st point is "My computer was definitely manufactured after 1998" which can be surely concluded from the passage rt?
If u read argument , it says "All computers manufactured after 1998 have a minimum processing speed of 400 MHz. My computer has a processing speed of 399 MHz. " So how can his computer be manufactured after 1998 and has a speed of 399.
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by Jatinder » Sat Oct 18, 2008 11:19 am
getk wrote:question is from crack-gmat. Answer given is D

I choose E. :(

Can you please explain it?

1st point is "My computer was definitely manufactured after 1998" which can be surely concluded from the passage rt?
The conclusion would be -My computer was definitely NOT manufactured after 1998, that's why its speed is less than 400

I would have gone with A --1 only

as III statement IMO may be true if computer is manufactured in 1998 with the speed < 400
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by mals24 » Sat Oct 18, 2008 11:20 am
Well St 1 cannot be concluded because the given fact says the ones manufactured after 1998 have a minimum speed of 400MHz. St 1 actually says the opposite of this. If the PC has a speed of 399MHz then it would have been manufactured before 1998 not after.

So that just leaves options A and D

Now St 3 cannot be concluded since we don't know when the 399MHz PC was manufactured in the year 1998 or before that. It could be manufactured in 1995 maybe.
So the answer is D

Hope its clear.
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by getk » Sat Oct 18, 2008 11:21 am
gmat009 wrote: If u read argument , it says "All computers manufactured after 1998 have a minimum processing speed of 400 MHz. My computer has a processing speed of 399 MHz. " So how can his computer be manufactured after 1998 and has a speed of 399.

Yup so definitely, we can get an answer from the passage rt? I meant definitely NO as the answer.
But the other two cannot have a definite Yes/no from the passage.
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by mals24 » Sat Oct 18, 2008 11:24 am
@ Jatinder

Well the facts say that all computers manufactured AFTER 1998 have a minimum speed of 400MHz.

So we can conclude that our computer may have been manufactured in 1998.
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by mals24 » Sat Oct 18, 2008 11:29 am
@ getk

So you mean the conclusion should be that 'My computer was definitely manufactured after 1998. ' But that goes against the given facts. The conclusion should support the given facts and not go against it. Its not about answering yes/no its about finding a statement which supports your given facts and only option 2 does that. Hence options 1 and 3 cannot be the conclusion.
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by khanshainur » Thu May 12, 2016 12:50 pm
t seems to me that the right answer is D
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