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  1. Grey Council

    perms and coms questions

    it's more logic than maths, tbh also, i teach this stuff, and i've seen a fair few examples. after a while, the questions tend to be quite similar.
  2. Grey Council

    perms and coms questions

    hehe, those questions are from maths in focus (i think). Maths in Focus continues to be a poor choice of textbook (imho) :< Cambridge is relatively better for pigeonhole principle. IB textbooks (from england i believe) and exam papers are good for this topic. Fairly easy to find using google.
  3. Grey Council

    perms and coms questions

    15: There are 3 groups: A, B and C. Let's take the worst case scenario, and say that 2 people chose each of A, B and C. This is 6 people. The 7th friend MUST join one of the three groups, thereby guarantee'ing that at least one of the groups has at least 3 people.
  4. Grey Council

    perms and coms questions

    13 and 14 are very confusingly worded, and imo bad questions. But I'll reword them into what I belive the author intended: 13: You have 'n' number of people, placed in 8 levels of karate. How many people would you require to guarantee that at least 29 people would be in at least 1 level...
  5. Grey Council

    perms and coms questions

    question 12: when you divide by 7, you can only get 7 possible remainders, as follows: 7 ÷ 7 = 1 remainder 0 8 ÷ 7 = 1 remainder 1 9÷ 7 = 1 remainder 2 10÷ 7 = 1 remainder 3 11 ÷ 7 = 1 remainder 4 12÷ 7 = 1 remainder 5 13 ÷ 7 = 1 remainder 6 14 ÷ 7 = 2 remainder 0 the question is asking, when...
  6. Grey Council

    Sequence of 2u/3u/4u topics over prelim and hsc

    Guys, I did my HSC back in 2004. I went to sydney boys, and we got given a document which showed the sequence in which all the 2u, 3u and 4u topics would be covered. I've got only the Year 12 sequence with me - I know it's a long shot, but does someone have the Year 11 sequence? Or even a...
  7. Grey Council

    Anyone at their schools have any cheaters caught?

    thats not even cheating, thats just retarded lulz i dont think he's serious though. no one could be serious when giving an idea like that -.-' anyway, this isnt related to cheating, per se, but in the first 4u maths exam we ever had, one guy saw the paper in reading time and literally pissed...
  8. Grey Council

    A Comparison of Textbooks

    most of the complaints against coroneos are fairly irrelevant, and not even true. keeping the book open? ugly text? bad layout? first of all, its maths, its not painting or something. secondly, its not that bad at all, dunno which version of the book you have, but my one the layout is...
  9. Grey Council

    Quake Live beta invites

    quake live is a new game being developed (nearly finished, in beta testing now) by id software. its going to be FREE. totally. no single player. if you have never played a deathmatch style game (quake 3, quake 4 multiplayer, unreal tournament) then I highly recommend you try this game...
  10. Grey Council

    BoS clan.

    haha, like, none of the good people play q4 q3 all the way quake live is coming out soon, its in beta testing already. i dunno if id join a bos clan for q3 (already committed), but i'd be willing to teach any new people q3/quake live in general, and ctf/clan arena/freeze tag.
  11. Grey Council

    The Reading Recommendations Thread

    what happened to the old thread? got unstickied :o anyway, some good recommendations. bitterbynde is heaps good so is lolita, though thats very controversial. ;p VERY controversial haha. btw, why is there such an inflammatory post in this thread that no one is commenting on? its...
  12. Grey Council

    Brisingr

    lotr + WoT + eddings + leguin can't think of something original in eragon series, tbh nor is writing any good btw, out of curiosity, all those people who are ardently defending eragon, which famous fantasy series have you read :o
  13. Grey Council

    Booker prize winners?

    Hrm, was procrastinating for uni exams, visited BoS randomly after a LONG time haha XD anyway, i've been an avid book reader since I was like... i dunno, for as long as i can remember actually. most of my life. in any case, theres been this recent trend to people reading books for the...
  14. Grey Council

    econ335 vs econ360

    sorry to revive this thread, but some of the comments on this page are pretty... weird :o dont let the fact that actuaries are or are not doing a topic bother you, it really makes no difference. sure actuarial students are smart, but if you asked everyone in year 12 to sit the year 10 maths...
  15. Grey Council

    new way to get into macquarie uni - thoughts?

    hm, just found out about this: http://www.reg.mq.edu.au/undergrad/admissions/prospectivestudents/alternatepathways/uniTest.htm how mad is that :D its sorta like the med entrance thing i guess but much easier i should think i had a look at the sample questions, they seem pretty easy...
  16. Grey Council

    Studying for Maths

    3 is the most important i reckon coroneos is the best book for self-learning. so if you dont manage to do first 2 steps, a few weeks away from trials, get the coroneos textbook. it has superb explanations, and examples of every type of question for that topic that could be asked. well, just...
  17. Grey Council

    Induction.

    hrm, when i tutor, some guys have trouble understanding this topic. without clouding the issue any further, ill just say that the MOST IMPORTANT thing is to sub in step 2 when doing step 3. everything falls into place after that. mm riviets posted up a superb explanation, learn from that, but...
  18. Grey Council

    does any one have the detailed solutions for Cambridge book?

    Author seems to be one Vladimir Yastreboff in any case, i think those solutions arent copyrighted (haha like the ones i have XD), so ty for posting up and sharing :)
  19. Grey Council

    should i do ext 2!?!?!

    pick up 4u :) well worth it
  20. Grey Council

    Maths 4 Unit high/low marks

    I really doubt the majority of 4u students actually assign a particular number of hours for maths every night. very very few people are disciplined enough to do something like that. basically, you would have to do the homework each night. since 4u course is quite big, you will be doing a fair...
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