Posted by ataur on Thursday, January 13, 2011 at 3:50am.
There are 4 positive numbers whose sum is 60. Their maximum product will be :

math  drwls, Thursday, January 13, 2011 at 6:56am
Do they have to be different numbers? Do they have to be integers?
I suspect that four 15's give the maximum product: 50625
13,14,16,17 gives a product of 49,504.
If you can find four numbers adding up to 60 with a higher product than 50625, then you are a mathematics master already.
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