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Permutation and Combination

Authored by Sarah Farhanah

Mathematics

1st Grade - Professional Development

CCSS covered

Used 69+ times

Permutation and Combination
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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is the formula for permutation?

nPr = n!(n−r)!n_{P_{r\ }=\ \frac{n!}{\left(n-r\right)!}}  

nPr = n!r!(n−r)!n_{P_{r\ }=\ \frac{n!}{r!\left(n-r\right)!}}  

nCr = n!r!(n−r)!n_{C_{r\ }=\ \frac{n!}{r!\left(n-r\right)!}}  

nCr = n!(n−r)!n_{C_{r\ }=\ \frac{n!}{\left(n-r\right)!}}  

Tags

CCSS.HSS.CP.B.9

2.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is the formula for combination?

nPr = n!r!(n−r)!n_{P_{r\ }=\ \frac{n!}{r!\left(n-r\right)!}}  

nCr = n!r!(n−r)!n_{C_{r\ }=\ \frac{n!}{r!\left(n-r\right)!}}  

nPr = n!(n−r)!n_{P_{r\ }=\ \frac{n!}{\left(n-r\right)!}}  

nCr = n!(n−r)!n_{C_{r\ }=\ \frac{n!}{\left(n-r\right)!}}  

Tags

CCSS.HSS.CP.B.9

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Find the number of words, with or without meaning, that can be formed with the letters of word “CHAIR”?

120

3125

5

25

Tags

CCSS.HSS.CP.B.9

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Mariam wants to order a sandwich with two of the following ingredients: mushroom, eggplant, tomato, and avocado. How many different sandwiches can Mariam choose?

8

6

4

2

Tags

CCSS.HSS.CP.B.9

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

How many ways can you arrange 2 letters from the word SQUARE?

45

320

30

140

Tags

CCSS.HSS.CP.B.9

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A Mathematics test contains five different questions labelled A, B, C, D, and E. You are supposed to choose 2 to answer. How many different ways are there to do this?

5

15

10

15

Tags

CCSS.HSS.CP.B.9

7.

FILL IN THE BLANKS QUESTION

1 min • 5 pts

There are _ ways can be arranged from the letters "MATH"

(a)  

Tags

CCSS.HSS.CP.B.9

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