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Distinct sod (Posted on 2014-12-09) Difficulty: 3 of 5
A, B and C are three positive integers satisfying: A+B = 132 and B+C = 278.

How many distinct values of sod(A) + sod(C) are possible?

** sod(n) is the sum of the digits in the base ten expansion of n.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Solutioncomputer solutionCharlie2014-12-09 11:23:28
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