A1, A2,A3,......A30 are 30 sets with 5 elements and B1,B2,..Bn are n sets with 30 elements. Assume that eache element of S belongs to exactly 10 of Ais' and exactly 9 of Bjs'.Find n?
Himaniagr12
Asked:
December 2022
can someone give me the notes of chemistry of 1 & 2 chapters of class 11 cbse ncert