Kings are Fools
A wizard comes to a kingdom in famine.He cures it,and the king says,"How can I pay you back".The wizard replies,"I will come on a random day.You shall give me the amount of gold in grams where grams,g=the day of the month,d.To annoy you,please give me the gold in 5 pieces of gold or less".The King,as he is a fool,tries to be ready for any day instead of just doing the job when the wizard comes.How does the king do this?
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1 solution
We notice 2^5=32 and the maximum possible days in a month are 31.That means that it is trivial to conclude that the binary system written in decimal would be our answer.