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IMSO 2012 - Mathematics - Short Answer Question 8

IMSO Maths · IMSO 2012 - Mathematics - Short Answer

Question 8

If $7$ is subtracted from a three-digit number $x$, the result is a multiple of $7$. If $8$ is subtracted from $x$, the result is a multiple of $8$. If $9$ is subtracted from $x$, the result is a multiple of $9$. When $x$ is divided by $10$, what is the remainder?