Use 2,5,9,4, choose 3 numbers to form the multiple of 3 and 9 respectively All of them! For example: multiple of 3: Multiple of 9:
Multiple of 3: 24929492429942924549594459495945954
Multiple of 9: 549594459495945954
The four long cards, 2049, make up a number. Three cards make up a multiple of 2, 3 and 5. What is the number?
240