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 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 7 plus (+) and 5 minus (-) signs be arranged in a row so that no two minus (-) signs 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 may ways can 6 girls and 4 boys be seated in a row so that no two boys are 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 7 boys and 2 girls be seated in a row so that two giirls are together ?

In how many ways four '+ and five '-' sign can be arranged in a circles so that no two '+' sign are together

In how many ways 5 different balls can be arranged into 3 different boxes so that no box remains empty?

In how many ways can the letters of the word ‘PIZZA’ be arranged

In how many ways can the letters of the word ‘PHONE’ be arranged