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Questions tagged [money]

For questions regarding problems about money

45
votes
6answers
3k views

Eight coins for the fair king

You are responsible for creating new types of coins for the court. King respects the forgetful: he wants you to create 8 coins of different value, no more. King respects the feeble: he wants that any ...
-1
votes
1answer
162 views

Which coins do I have? [closed]

I have 63 Rupees (or Dollars, or any kind of money). I have no coin of value 1 (Rupee or Dollar) or less than 1. (You can use coins like 2, 5, 10, 20, 50, 100, 500, 1000.) Is it possible to have 63 ...
0
votes
1answer
176 views

Make 100€ out of 1€

With the following trick you can turn 1€ into 100€: $$ \begin{align} 1 \, € &= 2 \, € \cdot 0.5 \, € \\ &= 200 \, \text{ct} \cdot 50 \, \text{ct} \\ &= 10 \, 000 \, \text{ct} = 100 \, € \...