Consider a class of 5 girls and 7 boys. The number of different teams consisting of 2 girls and 3 boys that can be formed from this class, if there are two specific boys A and B, who refuse to be the members of the same team, is:

Consider a class of 5 girls and 7 boys. The number of different teams consisting of 2 girls and 3 boys that can be formed from this class, if there are two specific boys A and B, who refuse to be the members of the same team, is:

1 Answer

127 votes

Required number of ways

= today number of ways − When A and B are always included.

=^{5}C_{2.}^{7}C_{3}−^{5}C_{1}^{5}C_{2 }= 300.

127 votes

127