There are 5 boys and 3 girls. In how many ways can they be seated in a row so that al the three girls do not sit together

In a dinner party there are 10 Indians, 5 Americans and 5 Englishmen. In how many ways can they be seated in a row so tht all persons of the same nastionality sit together?

In how many wys can 4 boys and 3 girls be seated ina row so that no two girls are together?

In how many ways can 7 boys and 2 girls be seated in a row so that two giirls are together ?

There are 6 students A,B,C,D,E,F. In how many ways can they be seated in a line so that C and D do not sit together?

In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?

In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?

In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?

In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?

In how may ways can 6 girls and 4 boys be seated in a row so that no two boys are together ?

A committee of 6 is to be formed out of 4 boys and 6 girls. In how many ways can it be done so that the girls may not be out numbered?