Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Permutations and Combinations
In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls
1
8C5 × 10C4
2
10C5 × 8C4
3
18C9
4
More than one of the above
5
None of the above