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I dare you to use your brain today

Discussion in 'BBS Hangout' started by Lady_Di, Feb 29, 2008.

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  1. Falcons Talon

    Falcons Talon Member

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    My brain itches...

    [​IMG]
     
    #41 Falcons Talon, Feb 29, 2008
  2. Nero

    Nero Member

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    Was it you who said:

    2) How many integers n are there such that 1 <5n + 5 < 25?
    Satisfy the equality, so that multiplying 5 times the integers you can multiply times 5, plus 5, are not less than one, but less than 25. For example, -2 times five is -10, plus five is -5, and that wouldn't satisfy the equality. -1 does. The integers are -1,0,1,2,3. The number 4 wouldn't fit, if you try it.
    A) Five


    I don't think -1 would work either. I myself missed zero, but -1 would not satisfy the parameters.

    1 Must be less than (5n + 5) and if n = -1, then that becomes (-5 + 5) which becomes zero, which is not greater than 1.

    Unless I am missing something here...

    I didn't count zero in mine, so I chose 3, but if zero is included, then the answer should be 4.

    I think.
     
    #42 Nero, Mar 2, 2008
  3. OrangeCountyCA

    OrangeCountyCA Member

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    ok here are my answers. I dont know if you've posted the right answers yet, since I havent read the entire thread.

    1. E
    2. B (if those signs are less than and equal to), C (otherwise)
    3. D (I didn't use a calculator, just an approximation)
    4. D
    5. A (complete guess, I had no clue)

    1. A
    2. A
    3. C
    4. D
    5. A


    ok, now I'm gonna go see if you posted the right answers...
     
    #43 OrangeCountyCA, Mar 2, 2008
  4. Harrisment

    Harrisment Member

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    There is math on that test? Yeah I can forget about ever getting an MBA.
     
    #44 Harrisment, Mar 2, 2008
  5. Lady_Di

    Lady_Di Member

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    I forgot my GMAT book at home. I will post them later.

    This is a chance for you guys to use your brain today! :-D

    My thoughts, exactly :(
     
    #45 Lady_Di, Mar 3, 2008
  6. meggoleggo

    meggoleggo Member

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    1. E
    2. B
    3. D
    4. C
    5. E

    1. D
    2. C
    3. C
    4. D
    5. E
     
    #46 meggoleggo, Mar 3, 2008
    Last edited: Mar 3, 2008
  7. Mr. Brightside

    Mr. Brightside Member

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    LadyDi, are you subtly implying that we do not use our brains the rest of the days? I'm outraged!
     
    #47 Mr. Brightside, Mar 3, 2008
  8. meggoleggo

    meggoleggo Member

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    Bump. Lady_Di, where's the answers? I want to know exactly how much my brain has deteriorated since graduating. Your quiz is the only way I'll ever know! :D
     
    #48 meggoleggo, Mar 4, 2008
  9. kaleidosky

    kaleidosky Member

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    hmm, you said you agreed with me except 1/2 on the sentences, but then edited 2 & 3 on the math? Read some thread explanations in the middle there? ;)
     
    #49 kaleidosky, Mar 4, 2008
  10. meggoleggo

    meggoleggo Member

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    Nope - it came to me randomly a little while later. And I'm still waiting on the answers!
     
    #50 meggoleggo, Mar 4, 2008
  11. Lady_Di

    Lady_Di Member

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    I'm not pulling a Almu on this...

    I don't have my book with me today. I will try to post tonight or take the book tomorrow to work.

    I think most of you guys got them right.
     
    #51 Lady_Di, Mar 4, 2008
  12. Shroopy2

    Shroopy2 Member

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    I sent these questions out to my coworkers earlier...

    They already dislike you without even knowing you.

    (Or me, since I didnt say where the questions came from)
     
    #52 Shroopy2, Mar 4, 2008
  13. Lady_Di

    Lady_Di Member

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    Okay here are the answers...

    You're either smart or dumb! :D

    Math section

    1) E

    216/9 = 24

    2) B

    1 <5n + 5 < 25
    -4 <5n < 20
    -4/5 <n<4

    There are four integers between -4/5 and 4, namely 0, 1, 2, 3

    3) D

    16/ 2 + 16
    16/ 2 +6 = x/144
    16/18 = x/14
    8/9 = x/144
    9x = 1,152
    x = 128

    4) C

    Let M be Mary's income, T be Tim's income, and J be Juan's income. Mary's income is 60 percent more than Tim's so

    M = T + 0.60T = 1.60T

    SInce Tim's income is 40 percent less than Juan's income, Tim's income equals 100-40= 60 percent of Juan's income, or T = 0.60J. Substiuting 0.6J for T in the first equation gives M = 1.60(0.6J) or M = 0.96J. Thus Mary's income is 96% of Juan's income.

    5) E

    Let w be the amount of Mary and John's same hourly wage. To set their hourly pay equal, John who worked 10 hours, needs to be paid 10w, and Mary, who worked 8 hours, needs to be paid 8w. Since Mary gave John y dollars, Mary now has x - y dollars and John now has x + y dollars. THeir pay can thus be expressed as follows:

    x - y = 8w Mary's pay
    x + y = 10w John's pay

    Subtract the first equation from the second and solve for w.

    2y = 2w
    y = w

    substitue y for w in the second equation, and solve for x, the amount each was paid in advance

    x + y = 10y
    x = 9y

    English section

    1) A
    2) A
    3) C
    4) D
    5) E
     
    #53 Lady_Di, Mar 4, 2008
  14. WildSweet&Cool

    WildSweet&Cool Member

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    hmm... I got three of them wrong:

    Math #2) crap! I forgot that zero is an integer

    Math #5) I actually meant to type D. That sounds lame, but it's true.

    English #3) yup. Got that one wrong.
     
    #54 WildSweet&Cool, Mar 4, 2008
  15. kaleidosky

    kaleidosky Member

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    Missed 2.. both on Math for someone that did "really well" on the Math section of the SAT and the GRE..

    #2) paid the price for trying to do it in my head...I forgot that I was dividing 20 by 5 and divided it by 4 instead...hence had 0 1 2 3 and 4 as my answer. (< 5)

    #3) never really got it. Still don't, in fact, but I think there are some numbers missing in your answer..


    Got all the grammar questions..
     
    #55 kaleidosky, Mar 4, 2008
  16. Shroopy2

    Shroopy2 Member

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    1 wrong in math, 2 wrong in grammar. twice as bad in grammar just like high school, some things never change.

    got math #5 wrong. would have eventually figured it out but it was taking up too much time doing it. When I think of or say the word "seen" its always like "HAS seen", so maybe that word isnt always necessary...or necessary always, or whatever...
     
    #56 Shroopy2, Mar 4, 2008
  17. JeopardE

    JeopardE Member

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    Aced it. Umph.
     
    #57 JeopardE, Mar 5, 2008
  18. meggoleggo

    meggoleggo Member

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    Aced math, missed two in grammar. :( I'm sort of disappointed.
     
    #58 meggoleggo, Mar 5, 2008
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