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Recent content by elixa

  1. E

    NEED HELP...

    THANKYOU
  2. E

    PERMUTATION COMBINATION-HELP needeed

    Q.a wrd is made using 7 letters of the word EXAMPLE. hw many difrnt wrds r possible if the two letters E are NOT next to each other?? Q.A coin is tossed ten times. (i) how many different sequences of heads and tails are possible? (ii)how many different sequences containing six heads and four...
  3. E

    STATISTICS PROBLEM!!!!

    if (X=10) WONT IT BE..(9.5<X<10.5).....??????????
  4. E

    S1 probability confusions

    EXHAUSTIVE EVENTS R NOT IN AS CIE SYLLABUS...OR R THEY INCLUDED?
  5. E

    WAter potential-solute AND pressure potential..STUK

    CAN U PLZ EXPLAIN ALL THESE IN DETAIL...especially with particular reference to plant cells..as in nov 2003 P1 q7. WHEN A PLANT CELL IS PLACED IN DISTILLED WATER WAT CHANGES OCCUR to its solute, pressure and water potential....and wat do u mean by plant tissue having same solute potential as a...
  6. E

    biology paper 1z...confusion

    Apart 4m pastpapers wat else shud i do?? CAN some1 explain in detail tidal vol and vital capacity and how to do related past paper que... i cant do any for instance nov 2004 pi q32
  7. E

    biology paper 1z...confusion

    Apart 4m pastpapers wat else shud i do?? CAN some1 explain in detail tidal vol and vital capacity and how to do related past paper que... i cant do any for instance nov 2004 pi q32
  8. E

    Bio P1 DOUBT.

    I am really confused abt the concepts of tidal volume and vital capacity.......Can enyone explain in detail pleaz. For instance i cnt do OCT NOV 2004 P1 Q32...I KNW WHICH ANS IS CORRECT BUT CAN SUM1 EXPLAIN Y THE OTHERS R INCORRECT...................
  9. E

    STATISTICS PROBLEM!!!!

    hina i knw the rest but hw to do the first one-----P(X=n)??? do we hav such que in the paper??
  10. E

    S1 probability confusions

    Wat is the diference betmeen mutually exclusive and independent events....???
  11. E

    NEED HELP...

    I cant do nov 09 math p62 q1 part(ii)... does sum1 knw hw to do it??
  12. E

    final practical details!

    princess zahra hw do u get to know all this?? Know something abt math p62 and bio p12?
  13. E

    AS permutation & combination questions .help required!

    M stuk in permutation combinations too...hw cn i prepare apart frm s1 an d past papers...know any gud online math techer??
  14. E

    AS practical exams

    Can anybudy guide me as to hw can i prepare 4 my as bio and chem practical examinations??? im stuk..PLZZ HELP :cry:
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