Aspire Faculty ID #17880 · Topic: GATE DA Data Science and Artificial Intelligence 2024 · Just now
GATE DA Data Science and Artificial Intelligence 2024

How many 4-digit positive integers divisible by 3 can be formed using only the digits {1,3,4,6,7}, such that no digit appears more than once?

Solution

Valid permutations divisible by 3 ⇒ 48
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