In how many ways 6 students and 4 teachers be arranged in a row so that no two teachers are together ?

In how many ways 6 boys and 5 girls can be arranged along a row so that no two girls come together

how many ways can 3 boys and 4 girls be arranged in a row so that all the three boys are together?

In how many ways can 4 boys and 3 girls be arranged in a row so that no two girls come together ?

In how many ways can 7 boys and 5 girls be arranged in a row so that no two girls come together?

There are 7 boys and 3 girls in a class. In how many ways can they be arranged in a row such that no two girls are together?

In how many ways 6 boys and 5 girls can be arranged along a row so that all the girls come together

In how many ways can 4 girls and 5 boys be arranged in a row so that all the four girls are together?

In how many ways can 7 red and 6 black balls be arranged in a row, if no two black balls are together?