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  1. Z

    Mathematics: Post your doubts here!

    Honestly you are so helpful . Thank a tonne for the help you are providing me :) May you pass with bright colours in all your exams ! Good Luck !
  2. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w12_qp_61.pdf ( Q7 - c part ) I don't get it at all . brain not working ! please help me Jiyad Ahsan
  3. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_61.pdf please help me with(question 6 ii ) and for question 7 (a ii ) 7! x 7! (is for arranging the friends and the partners ) but we are multiplying by 2 because either the...
  4. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w12_qp_62.pdf Q5 (b ii and iii) please ! Jiyad Ahsan
  5. Z

    Mathematics: Post your doubts here!

    no i still don't get it o_O i am sorry ! once again with a little more detail please .
  6. Z

    Mathematics: Post your doubts here!

    "it is found that the weights of 94% of the letters are within 12 g of the mean" , what does this mean ? 94% is the mean but then what is X ? http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w11_qp_61.pdf Q- 7 anyone ? Jiyad Ahsan
  7. Z

    Mathematics: Post your doubts here!

    Oh thank you so much !! but one more question please . which mean is used then for the standard deviation calculation ?
  8. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w11_ms_61.pdf Q-2 (ii) Well can someone please explain how basically to do these types of questions basically ? Jiyad Ahsan
  9. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s11_qp_63.pdf Q6 (ii) anyone ?? Jiyad Ahsan
  10. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_ms_62.pdf Q3 anyone ? please . I also want to know the rules of these types of questions .
  11. Z

    Mathematics: Post your doubts here!

    yp thank you so much :) :)
  12. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_61.pdf Q4 (ii) can someone explain this please !? actually i got the answer by doing ( 11!/5! x 4! x 2!) but why do we do this and why not 5P5 x 4P4 x2P2 ) ?
  13. Z

    hahaha

    hahaha
  14. Z

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w10_qp_63.pdf (can someone please explain question (1 , 4 , 6 and 7 )...
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