The 26th Number
Difficulty: Easy · Topics: Discrete Mathematics, Permutations
A=\1,2,3,4,5\
All three-digit natural numbers with distinct digits from A are listed from smallest to largest.
Which number is 26th?
Difficulty: Easy · Topics: Discrete Mathematics, Permutations
A=\1,2,3,4,5\
All three-digit natural numbers with distinct digits from A are listed from smallest to largest.
Which number is 26th?