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# Organized Counting PowerPoint PPT Presentation

Organized Counting. Permutations and Combinations. Jones is the Chairman of a committee. In how many ways can a committee of 5 be chosen from 10 people given that Jones must be one of them?. 31. 31. 126 252 495 3024.

Organized Counting

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## Organized Counting

Permutations and Combinations

31

31

• 126

• 252

• 495

• 3024

### A password consists of four different letters of the alphabet. How many different possible passwords are there?

31

31

• 4^26

• 456976

• 14950

• 358800

A password consists of two letters of the alphabet followed by three digits chosen from 0 to 9. Repeats are allowed. How many different possible passwords are there?

31

31

• 492804

• 650000

• 676000

• 1757600

### An encyclopedia has eight volumes. In how many ways can the eight volumes be replaced on the shelf?

31

31

• 8

• 5040

• 40320

• 8^8

Assuming that any arrangement of letters forms a 'word', how many 'words' of any length can be formed from the letters of the word SQUARE?(No repeating of letters)

31

31

• 82

• 720

• 1956

• 9331

A restaurant offers 5 choices of appetizer, 10 choices of main meal and 4 choices of dessert. A customer can choose to eat just one course, or two different courses, or all three courses. Assuming all choices are available, how many different possible meals does the restaurant offer?

31

31

• 329

• 310

• 200

• 19

31

31

• 84

• 120

• 504

• 720

31

31

• 84

• 120

• 504

• 720

31

31

• 14950

• 23751

• 358800

• 456976

31

31

• 252

• 2002

• 30240

• 100000