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  1. Nishii

    Pure Maths 12 today........

    Could someone please reply me here? http://www.xtremepapers.com/community/threads/grade-threshold-for-chemistry-and-biology.20339/
  2. Nishii

    Grade Threshold for chemistry and biology

    Hey there! Could someone please clear my doubt? I would like to know if the grade threshold for chem and bio is on 260 or 200? i mean, for chemistry to get A* you need to get 189 points and for bio, 188. (for AY) Is it 189/200 or 189/260 ?!
  3. Nishii

    AS Level Chem Practical Paper 35

    You're welcome:)
  4. Nishii

    Pure Maths 12 today........

    All of it i think :( it was 3 points, right? probably one point will be for using the right formula, 2nd point for getting a quadratic equation and 3rd for getting the correct value :(
  5. Nishii

    Pure Maths 12 today........

    Yeah! thanks :)
  6. Nishii

    AS Level Chem Practical Paper 35

    Mn2+ and Cr3+
  7. Nishii

    Pure Maths 12 today........

    yeah, you convinced me. i got it wrong :( But when you Subst a=3 d=2 and n=18 in formula of Sn, you get 333. why??
  8. Nishii

    Pure Maths 12 today........

    Me too! how many marks do i lose if i did only the second derivative and find the minimum value?
  9. Nishii

    Pure Maths 12 today........

    and when you do it one by one, i mean 3+2+2+2+..... it take 179 times to reach 360 degrees! (i checked it at home!:p)
  10. Nishii

    Pure Maths 12 today........

    Yeah a was 3 and d was 2 i think.. you managed to work out the quadratic equation?! .. dont know which one is correct..!
  11. Nishii

    Pure Maths 12 today........

    No idea.. probably same as http://general-paper.com/probable-questions-for-mayjune-2012
  12. Nishii

    Pure Maths 12 today........

    Yes.. but i used the formula to find the last term. and the last term must be less than 360 degrees, right? How did you get 18?
  13. Nishii

    Pure Maths 12 today........

    I did.. Area = Area of rectangle - Area of all three triangles. i got it like that. what did you do?
  14. Nishii

    Pure Maths 12 today........

    I am..
  15. Nishii

    Pure Maths 12 today........

    No.. did part(ii) and found only lengths of OP and OR in the last one. You did?
  16. Nishii

    Pure Maths 12 today........

    I did l=a+(n-1)d < 360 degrees and got 179! :s
  17. Nishii

    Pure Maths 12 today........

    Yes!!
  18. Nishii

    Pure Maths 12 today........

    Same!!
  19. Nishii

    Pure Maths 12 today........

    The last one was really challenging!
  20. Nishii

    A Level mathematics Grade Threshold.

    Its supposed to be the same as 12,23,42,62!
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