Welcome! Check out our free B-School Guides to learn how you compare with other applicants.
Login or Register
 

Inference: Everyone who has graduated from

This topic has 3 member replies
Bookmark
Previous Topic Next Topic
ChessWriter Rising GMAT Star Default Avatar
Joined
01 Jan 2012
Posted:
54 messages
Inference: Everyone who has graduated from Post Mon Mar 12, 2012 12:46 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    This is a question from one of the Manhattan GMAT practise tests

    Everyone who has graduated from TopNotch High School has an intelligence quotient (IQ) of over 120. Most students with an IQ of over 120 and all students with an IQ of over 150 who apply to one or more Ivy League universities are accepted by at least one of them.

    The statements above, if true, best support which of the following conclusions?
    A. Every graduate of TopNotch High School with an IQ of 150 has been accepted by at least one Ivy-League university.
    B. If a person is a high-school graduate and has an IQ of less than 100, he or she could not have been a student at TopNotch High School.
    C. If a person has an IQ of 130 and is attending an Ivy-League university, it is possible for him or her to have graduated from TopNotch High School.
    D. At least one graduate from TopNotch high school who has applied to at least one Ivy-League university has been accepted to one of them.
    E. If a high-school graduate has an IQ of 150 and is not attending an Ivy-League university, then he or she did not apply to one of them.

    Please guess your answer before you read below this line.

    I answered D which is incorrect. The official answer is C.

    Can anyone explain why D is incorrect?

    Need free GMAT or MBA advice from an expert? Register for Beat The GMAT now and post your question in these forums!
    vikram4689 GMAT Titan
    Joined
    01 Nov 2009
    Posted:
    1324 messages
    Followed by:
    13 members
    Thanked:
    99 times
    Post Mon Mar 12, 2012 1:27 pm
    D. At least one graduate from TopNotch high school who has applied to at least one Ivy-League university has been accepted to one of them.

    Stimulus says Most students with an IQ of over 120 and all students with an IQ of over 150 who apply to one or more Ivy League universities are accepted by at least one of them. Consider a student having an IQ of 130 who applies to Ivy-League university. He may NOT be accepted because according to stimulus MOST of the students above 120 and ALL above 150 are accepted. Similarly if all students have IQ (>120 & <150),In this case D is NOT TRUE

    _________________
    Premise: If you like my post
    Conclusion : Press the Thanks Button Wink

    Thiagaraj Just gettin' started! Default Avatar
    Joined
    06 Mar 2012
    Posted:
    20 messages
    Thanked:
    2 times
    Post Fri Mar 16, 2012 10:51 am
    Why is A incorrect? Doesn't it agree with what is there in the stimulus?

    vikram4689 GMAT Titan
    Joined
    01 Nov 2009
    Posted:
    1324 messages
    Followed by:
    13 members
    Thanked:
    99 times
    Post Fri Mar 16, 2012 11:03 am
    You missed this from the stimulus: who apply to one or more Ivy League universities

    _________________
    Premise: If you like my post
    Conclusion : Press the Thanks Button Wink

    Best Conversation Starters
    1 varun289 34 topics
    2 killerdrummer 22 topics
    3 sana.noor 21 topics
    4 guerrero 14 topics
    5 sanaa.rizwan 14 topics
    See More Top Beat The GMAT Members...

    Most Active Experts
    1 image description Brent@GMATPrepNow

    GMAT Prep Now Teacher

    		 200 posts
    2 image description GMATGuruNY

    The Princeton Review Teacher

    		 135 posts
    3 image description Jim@StratusPrep

    Stratus Prep

    		 106 posts
    4 image description Anju@Gurome

    Gurome

    		 56 posts
    5 image description Jon@Admissionado

    Admissionado

    		 44 posts
    See More Top Beat The GMAT Experts