PERMUTATIONS & COMBINATIONS -2
- Author:
- RITA
- Topic:
- Algebra
A bag contains 5 black and 6 red balls. Determine the number of ways in which
2 black and 3 red balls can be selected.
There are 5 black and 6 red balls in the bag.
2 black balls can be selected out of 5 black balls in ways and 3 red balls can be selected out of 6 red balls in ways.
Thus, by Fundamental principle of counting , required number of ways of selecting 2 black and 3 red balls
= ways = 1020 = 200 ways.