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Maximizing the sum (Posted on 2016-11-16) Difficulty: 3 of 5
Let me provide some facts about a couple of integers m and n:

- One of them is a 3-digit number, the other is a 2-digit number
- One of them is divisible by 11
- One has all its digits distinct
- The last digit of m^3 equals the last digit of n
- The last digit of n^3 equals the last digit of m

a. Evaluate the maximum value of m+n.
b. What possible values can m*n reach?

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
the programCharlie2016-11-16 10:22:00
part b in more concise formCharlie2016-11-16 10:19:56
list continuedCharlie2016-11-16 10:15:12
Solutione pluribus duoCharlie2016-11-16 10:13:46
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