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When 100 is divided by 12, the remainder is 4.     
When 100 is divided by a positive integer x, the remainder is 10.     
When 1000 is divided by x, the remainder is what?      

 

100 / 15  =  6 R 10      1000 / 15  =  66 R 10     

100 / 18  =  5 R 10      1000 / 18  =  55 R 10     

100 / 30  =  3 R 10      1000 / 30  =  33 R 10     

100 / 45  =  2 R 10      1000 / 45  =  22 R 10     

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