Quantitative Algebra (3/11)

Quantitative Algebra 9

Multiple Choice

You and 2 friends choose 3 out of 5 appetizers to share.  How many ways can you do this?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_5P_3$ 

•  $_5C_3$ 

•  $_3P_5$  

•  $_3C_5$  

Multiple Choice

Kim has homework in five subjects.  In how many ways can she complete her homework?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_5P_1$ 

•  $_5C_1$ 

•  $_5P_5$  

•  $_5C_5$  

Multiple Choice

In how many ways can the batting order for nine players on a 16 person team be chosen?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_{16}P_9$ 

•  $_{16}C_9$ 

•  $_9P_{16}$  

•  $_9C_{16}$  

Multiple Choice

How many ways can you set a 3-digit lock using the numbers 6, 2 and 4?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_3P_3$ 

•  $_3C_3$ 

•  $_3P_1$  

•  $_3C_1$  

Multiple Choice

How many ways can you list your 4 favorite cheesecakes, in order, off a menu of 15 options?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_4P_{15}$ 

•  $_4C_{15}$ 

•  $_{15}P_4$ 

•  $_{15}C_4$ 

Multiple Choice

How many ways can you choose 6 person dodge ball team out of 20 participants?

PERMUTATION or COMBINATION? Which calculation is correct?

•  $_{20}P_6$ 

•  $_{20}C_6$ 

•  $_6P_{20}$ 

•  $_6C_{20}$ 

Multiple Choice

How many ways can you choose 15 oranges from a crate of 60?

PERMUTATION or COMBINATION? Which calculation is correct?

• $_{60}P_{15}$

• $_{15}C_{60}$

• $_{15}P_{60}$

• $_{60}C_{15}$