GATE DA Data Science and Artificial Intelligence Permutations And Combinations Previous Year Questions (PYQs)
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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?
1
2
3
4
Solution
Valid permutations divisible by 3 ⇒ 48
GATE DA Data Science and Artificial Intelligence
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GATE DA Data Science and Artificial Intelligence
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and More.
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