Free Practice Question
PS · Problem Solving
sub-505
Combinations
Consider a 3-character alphanumeric code with specific properties: the first character can be any digit from 1 to 8, the second character can be any lowercase letter from b to y, and the third character can be any of the characters allowed for the first two positions. How many unique codes can be created?
Answer Choices
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24
B
512
C
6144
D
4096
E
7680
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Explanation
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Comments
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K
KevinApr 3, 2025
greatt question!
Details
Difficulty
sub-505
Type
PS
Category