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Users of the online system for a Bank are required to set a password that is 10 character-long. Each character can be a letter, a
Users of the online system for a Bank are required to set a password that is 10 character-long. Each character can be a letter, a 1-digit number, or a symbol from the list: !, @, #, &, %
- How many passwords are possible if there is no distinction between upper case and lower case letters? (Not Case-sensitive)
- How many passwords are possible if the first and last digits have to be numbers
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