perplexus.info :: Just Math : Distinct sod

Distinct sod (Posted on 2014-12-09)

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.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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	Subject	Author	Date
	computer solution	Charlie	2014-12-09 11:23:28

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