In how many ways can 10 H.S. students and 7 B.Com . Students be arranged in a line so that no two B.com. Students may sit together?

In how many ways can 7 I. A and 5 I.Sc. Students be seated in a row so that no tow f the I.Sc students may sit together?

In how many ways can 5 first year students and 3 second year students be seated in a row so that no two second year students may sit together ?

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 students and 4 teachers be arranged in a row so that no two teachers are together ?

In how many ways can 8 students be arranged in a row?

In how many ways can 7I. A and I.Sc. Students be seated in a row so that no tow f the I.Sc students may sit together?

In how many ways can 8 students be seated in : a line ?

In how many ways can six students be seated in a line so that two particular students do not sit together?

In how many ways can 6students sit round the table is