Out of 6 boys and 6 girls, a group of 8 is to be formed. In how many ways can this be done if the group should have 4 boys?
Since , we have to select 4 boys remaining 4 can be girls
4 boys and 4 girls can be selected = 6C4×6C4=225
Out of 6 boys and 4 girls, a group of 7 is to be formed. In how many ways can this be done if the group is to have a majority of boys?