AMDM- Permutation & Combination , KC

How many ways can a club select a president, vice president, and a secretary from a group of 5 people?

• 12

• 60

• 15

• 125

Tags

CCSS.HSS.CP.B.9

₂₀P₂

• 20
• 380
• 6840
• 116280

Tags

CCSS.HSS.CP.B.9

What does ₁₀P₅ mean?

• Permutations with 5 choices and 10 positions
• Permutations with 10 choices and 5 positions
• Permutations with 5 numbers and 10 operations
• Permutations with 5 hot dogs and 10 drinks

Tags

CCSS.HSS.CP.B.9

7!

• 4050
• 5400
• 5040
• 4500

How many ways can two jellybeans be chosen from a bag of 15 unique jellybeans. 

• ₁₅C₂=105
• ₁₅P₂=210
• 15 x 2 = 30
• 100 ways

Tags

CCSS.HSS.CP.B.9

A family of 3 plans to sit in the same row at a movie theater. How many ways can the family be seated in 3 seats?

• 3

• 6

• 1

Tags

CCSS.HSS.CP.B.9

How many different ways can 9 people line up for a picture?

• 362 880

• 40 320

• 387 420 489

Four students need to be selected from a class of 15 to help clean up the campus. How many different ways can the 4 students be chosen, if the only two girls refuse to help?

• 715

• 1 365

• 120

Nine students in a Mathematics contest are competing for first, second and third prize. How many ways can the 3 students be chosen?

• 27

• 84

• 504

Picking a President, VP and Waterboy from a group of 10

• Combination

• Permutation