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IMSO 2007 Mathematics Contest in Taiwan – Short Answer Question 8

IMSO Maths · IMSO 2007 Mathematics Contest in Taiwan – Short Answer

Question 8

The number 119 is very curious: when divided by 2, 3, 4, 5, 6, it leaves remainders 1, 2, 3, 4, 5 respectively. How many four-digit numbers have this property?