WorksheetsCounting Techniques - Multiply your options
Total questions: 10
Worksheet time: 5mins
A man has three pairs of pants, five shirts, and four ties. Assuming they all would match nicely, how many different outfits can he make?
12 outfits
27 outfits
60 outfits
120 outfits
A sandwich shop has 3 bread options, 6 meat choices, and 8 extra ingredient options. For the basic sandwich option, you must choose one bread type, one meat, and only one extra ingredient. How many basic sandwich options are there?
17
72
100
144
How many 4 digit passcodes are possible if repetitions ARE allowed?
10,000
40
5,040
400
How many 4 digit passcodes are possible if repetitions are NOT allowed?
10,000
40
5,040
400
My initials are CSP since I have a first name, middle name, and last name. How many different sets of three initials are possible?
78
17,576
15,600
27
How many ways can 9 books be arranged in a row on a shelf?
9
45
181,440
362,880
A password must be two digits followed by three letters. If repeats of symbols ARE allowed, how many passwords are possible?
10 X 9 X 26 X 25 X 24
10 X 10 X 26 X 26 X 26
10 + 10 + 26 + 26 + 26
10 + 9 + 26 + 25 + 24
How many ways can 6 paintings be arranged in a row on a wall?
720
6
21
36
What is "!" called in counting methods?
exclamation point
factorial
Multiply a lot
What does "7!" mean for you to do?
Scream 7 really loudly
Type 7 into your calculator really hard
7+6+5+4+3+2+1
7×6×5×4×3×2×1
