Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [money]

For questions regarding problems about money

7
votes
1answer
268 views

Fair way to split coins [duplicate]

Alice and Bob went walking in the desert. Alice had two gallons of water and Bob had three gallons. They met Charlie who had no water at all and they all (Alice, Bob, and Charlie) shared the five ...
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
163 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
178 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 \, € \...