help for these questions on permutations and combinations. only 10 of 100 i have to do.
1. there are 4 seats in a taxi how many different ways can 3 people seat themselves.
2. how many four digit numbers are there
3. how many ways are there of forcasting the results of six rugby matches. win lose draw
4.how many different arrangements are there of all the letters aabccc in a line.
5.in how many ways can a hockey team of 11 be selected from a squad of 14.
6. in how many different ways can 7 pepole be assigned to 1 triple and 2 double rooms
7. how many different sums of money can be made up from the following coins
1p, 2p , 5p 10p, 20p,50p, £1, £2
8. in how many ways can 6 boys and 4 girls be arranged in a line if the girls are not to be seperated.
9.find the no of permutations of all the letters of the word ADIABATIC if no two vowels come next to ech other
can you tell me alos how you got the answers much appreciaited
1. there are 4 seats in a taxi how many different ways can 3 people seat themselves.
2. how many four digit numbers are there
3. how many ways are there of forcasting the results of six rugby matches. win lose draw
4.how many different arrangements are there of all the letters aabccc in a line.
5.in how many ways can a hockey team of 11 be selected from a squad of 14.
6. in how many different ways can 7 pepole be assigned to 1 triple and 2 double rooms
7. how many different sums of money can be made up from the following coins
1p, 2p , 5p 10p, 20p,50p, £1, £2
8. in how many ways can 6 boys and 4 girls be arranged in a line if the girls are not to be seperated.
9.find the no of permutations of all the letters of the word ADIABATIC if no two vowels come next to ech other
can you tell me alos how you got the answers much appreciaited