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No Carry Nuance (Posted on 2016-04-26) Difficulty: 3 of 5
When adding 1996 and 1997 – the result is 3993 –where we observe that, we add 6 and 7 first getting 3 in the first rightmost column and carrying 1 over to the second column. In the same vein, we obseve that- there are three carries in total in the said addition.

Determine the minimum value of a positive integer C such that when we add 1996*C and 1997*C, there do not arise any carry throughout the entire calculation.

Does there exist an infinite number of values of C satisfying the given conditions?
Give reasons for your answer.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionPart 1Charlie2016-04-26 13:56:38
Part IISteve Herman2016-04-26 12:25:05
Part IISteve Herman2016-04-26 12:25:05
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