Short logic riddles

cleanlogic

How could the cowboy travel on friday, then sleep two days and then travel back home on friday.
If the horse was named Friday.
81.39 %
92 votes
logicmath

What is the smallest number, that can be expressed as the sum of the cubes of two different sets of numbers?
Hardy-Ramanujan discovered 1729 as a magic number. Why 1729 is a magic number? 10^3 + 9^3 = 1729 and 12^3 + 1^3 = 1729 Taxicab number Ta(2)
79.77 %
66 votes
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