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Worksheets9.3 Permutation/Combination
Total questions: 20
Worksheet time: 38mins
Name
Class
Date
1.
The chess club must decide when to meet for a practice. The possible days are Tuesday, Wednesday or Thursday. The possible times are 3 or 4 p.m.
a)
1
b)
7
c)
6
d)
3
2.
A spinner can land on either red, blue, green, yellow, purple or orange. You flip a coin and then spin the spinner. How many possible outcomes are there?
a)
15
b)
12
c)
7
d)
9
3.
Sam, Luis and Timmy are on Super Quiz team. Two questions remain. One team member is randomly picked to answer the first question and a different member is picked to answer the second question. Find the number of possible outcomes.
a)
6
b)
8
c)
5
d)
9
4.
A new car is available in a sedan model and a hatchback model. It is available in red, white green and black. How many possible outcomes are there?
a)
3
b)
4
c)
5
d)
8
5.
When a button is pressed, a computer program outputs a random odd number greater than 1 and less than 9. You press the button 4 times.
a)
121
b)
111
c)
91
d)
81
6.
A basketball player attempts seven free throws. Each attempt results in a score or a miss.
a)
97
b)
143
c)
128
d)
105
7.
A spinner can land on either red, blue, or green. You spin seven times.
a)
3211
b)
2187
c)
2978
d)
1230
8.
Six books need to be placed on a shelf. You randomly arrange the books on the shelf from left to right.
a)
635
b)
575
c)
579
d)
720
9.
Elisa has homework in six subjects. She is deciding what order to complete them in.
a)
720
b)
400
c)
2160
d)
6
10.
There are 90 people at a meeting. They each give a Valentine's Day card to everyone else. How many cards were given?
a)
4980
b)
4005
c)
8010
d)
16020
11.
The student body of 70 students wants to elect a president and vice president.
a)
1207
b)
19320
c)
4830
d)
3425
12.
John has homework in four subjects. He is deciding what order to complete them in.
a)
24
b)
25
c)
12
d)
13
13.
There are 50 applicants for four jobs: Computer Programmer, Software Tester, Manager and Systems Engineer.
a)
4548030
b)
5527200
c)
2763600
d)
1842400
14.
You are setting the combination on a four-digit lock. You want to use the numbers 1096 but don't care what order that are in.
a)
31
b)
30
c)
21
d)
24
15.
A group of 40 people are going to run a race. The top 6 finishers advance to the finals.
a)
2866425
b)
1919190
c)
3838380
d)
2568929
16.
4 out of 19 students will ride in a car instead of a van.
a)
7752
b)
3876
c)
15504
d)
93024
17.
The student body of 35 students wants to elect three representatives.
a)
6545
b)
13090
c)
39270
d)
19635
18.
There are 10 students at a meeting. They each shake hands with everyone else. How many handshakes were there?
a)
135
b)
45
c)
270
d)
90
19.
The student body of 185 students wants to elect two representatives.
a)
8510
b)
34040
c)
14050
d)
17020
20.
5 out of 14 students will ride in a car instead of a van.
a)
2002
b)
6006
c)
240240
d)
4004
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