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  1. A

    Distinctions 2013

    Please do post the link here if you get the list :)
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    Mathematics: Post your doubts here!

    LUMS PsiFi :) This was a question from Math Gauge.
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    Mathematics: Post your doubts here!

    Thank you for your help :) We did it this way, and we THINK we got it correct (since we came second) Let the 3 doors be A ( leading to safety in 2hrs) B ( bringing man back in 3hrs) n C ( " " " 5hrs) possible pathway - probability - time taken 1. A - (1/3) - 2hrs 2. B,A - (1/3).(1/3)= 1/9...
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    Mathematics: Post your doubts here!

    UrGENT HELP in this one too: Consider an m * n array of lattice points (points with integer coordinates) on a plane. Determine the no of a) axis-parallel squares (whose sides are parallel to on of the axis) b) axis-parallel rectangles c) squares (not necessarily axis parallel) d) rectangles (")...
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    Mathematics: Post your doubts here!

    URGENT HELP NEEDED: this Q isnt directly from Alevel math but it might brush up the skills of all the mathematicians out there. So PLEASE give it a try: A person is trapped in a dark cave with 3 ways out. One of them leads to safety after 2hrs of travel while the other 2 would return him to the...
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    Physics: Post your doubts here!

    Please share the link for the examiner report for November 2011's paper if any one has it asap. Thanks in advance :p
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    Tips for Chemistry Practicals (P3)

    MindStealth, don't you take the uncertainty of a stopwatch to be equivalent to the value of human reaction time error? Which is 0.2-0.4s I believe... because I've seen this in a number of marking schemes for physics practicals. Wouldn't the same apply for chemistry? :/
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    CAREER COUNSELLING

    AoA! I just completed my olevels in science subjects (from lahore). I am pretty good at math and chemistry . I am not so good at languages (i get As or Bs in them) n although i am good at bio and phy,i dont really like these subjects. My alevels subjects are: bio,chem,phy and maths (and i might...
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    haha heyyyyyyyyyy khadija! :)

    haha heyyyyyyyyyy khadija! :)
    • aleezay
    • Profile post comment
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    Biology; Chemistry; Physics: Post your doubts here!

    Biology s02 n s03 marking schemes anybdyyyyy?
  11. A

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    urgent help needed in second syllabus Urdu ( Urdu B that is): what is the format for both formal and informal letters? plz reply asap. mock exam on 21st march..
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    Biology; Chemistry; Physics: Post your doubts here!

    does any one have complete notes on physics? and any tips regarding physics atp?
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    Maths, Addmaths and Statistics: Post your doubts here!

    does anyone have notes on transformation? need them.urgent.
  14. A

    Maths, Addmaths and Statistics: Post your doubts here!

    the one u solved just now.. O.o
  15. A

    Maths, Addmaths and Statistics: Post your doubts here!

    oh ok..i consulted the marking scheme..so there must be some error there..thankyou!
  16. A

    Biology; Chemistry; Physics: Post your doubts here!

    thankyou!
  17. A

    Biology; Chemistry; Physics: Post your doubts here!

    you're welcome,but...for what?
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    Maths, Addmaths and Statistics: Post your doubts here!

    and,if u dont mind, can u plz have a look at the paper 2s i uploaded? :)
  19. A

    Maths, Addmaths and Statistics: Post your doubts here!

    summers 2011 qp12..
  20. A

    Maths, Addmaths and Statistics: Post your doubts here!

    thanks 4 solving the question but,correction: your answer is 4/3 not 3/4-check ur second last part :) i got the same answer as u,4/3, but the answer in the ms is 1/13 =O miss printing...?
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