Qualification > Math

S1 and S2 DOUBTS HERE!!!!

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immortal:

--- Quote from: simba on May 25, 2010, 09:54:53 am ---need help in June 09 number 1 , how to get Z....urgent

--- End quote ---
Which paper is this frm??

simba:
nvm abt last one....I would like to know how to solve question 5 in Nov.09 first varient......urgently

immortal:
I think this question waz already answered b4/

immortal:
5a)
i>  no digits repeated range 5000-6000
      so 5xxx r da possibilities, 1,2,3,4,5,6    5 cannot b used
     remaining ones 5P3 as arrangement matters 4 numbers.

ii> repeated digits   all num frm 1-6 cn b used
         5xxx     so  5(6c1)(6c1)(6c1)
        so 6*6*6 num cn b formed dat is 63

simba:
mmmmm...another question in  Nov.09 first varient num.3..

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