Combination and permutation: How to calculate the total number of 5 digits numbers that contains 3 and 6?

bbb153

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Joined
Mar 5, 2019
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1
How to calculate the total number of 5 digits numbers that contains 3 and 6?
For example, 13236, 16293.
Thanks a lot.
 

pka

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Jan 29, 2005
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8,097
How to calculate the total number of 5 digits numbers that contains 3 and 6?
For example, 13236, 16293.
Have you read the posting guidelines? You need to show us some effort on your part.
We cannot help if we do not where you are confused. Please tell us.
 

Dr.Peterson

Elite Member
Joined
Nov 12, 2017
Messages
3,590
How to calculate the total number of 5 digits numbers that contains 3 and 6?
For example, 13236, 16293.
A good way to start is to count the number of 5-digit numbers that do not contain either a 3 or a 6. That's a much easier question.

Show us your work, and we can guide you further.
 
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