Grade 11Algebra
Total number of ways of selecting two numbers from the set {1,2,3,4.....,90} so that their sum is divisible by3, is A. 885 - 1335
- 1770
- 3670
Total number of ways of selecting two numbers from the set {1,2,3,4.....,90} so that their sum is divisible by3, is
A. 885
- 1335
- 1770
- 3670
