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Any number that is divisible by 3 is also divisible by 9. Find a counterexample to show that the conjecture is false.
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Any number that is divisible by 3 is also divisible by 9.

Find a counterexample to show that the conjecture is false.

User Akanevsky
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2 Answers

5 votes
3, 6, 12, 15, 21, 24, 30.....and so on are divisible by 3 but not 9
User Satyajeet
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2 votes
12 is div. by 3 but not 9
User Epylinkn
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