In hw many ways can 15 I.Sc nd 12 BSc. Candidtes be arranged in a line so that no tow B.Sc. Candidates may occupy consecutive positions?

In how many ways can 15 I.Sc and 12 BSc. Candidates be arranged in a line so that no two B.Sc. Candidates may occupy consecutive positions?

In how many ways can 16 rupees and 12 paise coins be arranged in a ine so that no two paise coins may occupy consective positions?

In how many ways can 16 rupees and 12 paise coins be arranged in a ine so that no two paise coins may occupy consective positions?

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 8 students be arranged in (i) a line, (ii) a circle?

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 6 boys and 4 girls be arranged in a straight line so that no two girls are ever together ?

In how many ways can 6 persons be arranged in (i) a line, (ii) a circle?

In how many ways 8 men can be arranged (i) in a line? (ii) on a round table?