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Worksheets

Permutations & Combinations

Total questions: 16

Worksheet time: 2hrs 54mins

Name
Class
Date
1.

How would you solve?

From the 20 DVD's you purchased this past year, you plan to take five with you on vacation. How many different sets of five DVD's can you take?

a)

Permutation

b)

Counting Principles

c)

Factorial

d)

Combination

2.

How would you solve?

A book club offers a choice of 8 books from a list of 40. In how many ways can a member make a collection?

a)

Permutation

b)

Combination

c)

Factorial

d)

Counting Principles

3.

How would you solve?

The model of car you are thinking of purchasing is available in nine different colors, three different styles and two sizes of motor. How many ways can you order the car?

a)

Permutation

b)

Combination

c)

Factorial

d)

Counting Principles

4.

How would you solve?

How many ways can you line up your eight trophies that you've won over the years on a shelf in your room?

a)

Permutation

b)

Combination

c)

Factorial

d)

Counting Principles

5.

A disc jockey has to choose three songs for the last few minutes of his evening show. If there are nine songs that he feels are appropriate for that time slot, then how many ways can he choose and arrange to play three of those nine songs?

a)

84

b)

504

c)

362,880

d)

6

6.
How many 2-digit numbers can you make using the digits 1, 2, 3, & 4 without repeating the digits?
a)
90
b)
100
c)
12
d)
24
7.

Robin has five different pairs of shoes that match with 6 different pairs of socks. How many shoes-and-socks combinations can she make if she selects one pair of shoes and one pair of socks?

a)

11

b)

30

c)

120

d)

720

8.

An election ballot asks voters to select three city commissioners from a group of six candidates. In how many ways can this be done?

a)

720

b)

120

c)

6

d)

20

9.

4 letters are chosen at random from the word RANDOMLY. In how many ways can this selection be made?

a)

24

b)

1680

c)

70

d)

40320

e)

438

10.

The ski club with ten members is to choose three officers for captain, co-captain and secretary. How many ways can those offices be filled?

a)

720

b)

120

c)

10!

d)

6

11.

ONOMATOPIA. Find the number of arrangements if all letters must be used.

a)

302,400

b)

10

c)

3,628,800

d)

3,020,400

12.

Jim draws 4 cards from a deck of cards. What is the probability of all 4 cards being the same suit?

a)

715

b)

6,497,400

c)

68,640

d)

2,860

13.

Rhea has 10 basketballs, each of a different colour. She only has time to shoot 5 hoops before going to bed. How many different arrangements can the balls be thrown into the hoops?

a)

252

b)

120

c)

30,240

d)

3,628,800

14.

In the word PRESENTATION there are 12 letters. You have to choose 7 of these for some reason. How many different words can you make?

a)

604,800

b)

792

c)

5,040

d)

120

15.

A telephone number in a single area code is composed of 7 digits from 0 to 9. Determine the amount of phone numbers available in the 856 area code if the first digit cannot be 0 or 1.

a)

483,840

b)

604,800

c)

8,000,000

d)

10,000,000

16.
How many 4-card hands that contain 3 hearts and 1 spade can be chosen from a 52-card deck?
a)
3700
b)
3709
c)
3718
d)
7436