Divisible by 4
Difficulty: Medium · Topics: Discrete Mathematics, Counting Principle, Divisibility
A=\0,1,4,7,9\
Using elements of A, how many four-digit natural numbers with distinct digits are divisible by 4?
Difficulty: Medium · Topics: Discrete Mathematics, Counting Principle, Divisibility
A=\0,1,4,7,9\
Using elements of A, how many four-digit natural numbers with distinct digits are divisible by 4?