Ola,
A positive integer $Q$ is $lovely$ if all its decimal digits are 6 or 9.
Find all nine-digit $lovely$ numbers which are divisible by 300.
Ola,
A positive integer $Q$ is $lovely$ if all its decimal digits are 6 or 9.
Find all nine-digit $lovely$ numbers which are divisible by 300.
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Hint: If $300$ divides a number, so does $100$. What must the ``ones" digit of such a number be?