Recently Commented Questions

• Progressions & Probability combined
  Out of (2n+1) tickets numbered consecutively, three are drawn at random. the chance that the numbers on them are in A.P is (a) n2/4n2-1 (b) 2n/4n2-1 (c) 3n/4n2-1 (d) 4n/4n2-1 ...
  0·4· #Mathematics#Algebra#Progressions
  commented2014-04-02 18:58:46