WorksheetsCombinations and Permutations
Total questions: 20
Worksheet time: 23mins
Find the number of words, with or without meaning, that can be formed with the letters of the word ‘CHAIR’.
5
3125
120
25
How many ways can a club select a president, vice president, and a secretary from a group of 5 people?
12
60
15
125
Selecting a lead and an understudy for a school play.
A group of 25 people are going to run a race. The top 8 finishers advance to finals.
In Cornville, bicycle license plates have 2 letters followed by a 1-digit number. How many different license plates are possible?
6760
62
2600
6084
Two number cubes are rolled, then a spinner with 4 different colors on it is spun twice, then two coins are flipped. How many total possible outcomes are there?
4096
24
46,656
2,304
Rob and Mary are planning trips to 9 countries this year. There are 13 countries they would like to visit. They are deciding which countries to skip.
The batting order for seven players on a 12 person team.
When three-digit telephone area codes were first put in place, the first number could be any digit (2-9), the second number could only be 0 or 1, and the third could be any digit (0-9). How many possible area codes can be created with this format?
24
126
140
160
