0
votes
3answers
165 views

Coded language puzzle!! [closed]

Here is a puzzle I can't crack. It goes like this: In a certain coded language MANGO=3/5 ORANGE=2/6 APPLE=1/5 Then, POTATO=?? The answer is 5/6. I would like to know to arrive at the answer.
1
vote
1answer
72 views

How to determine which encryption system is being used?

I came across this question in a local contest. I was not able to solve it at that time. Also, no solution was provided. I was wondering if someone can help me to understand how to tackle this kind ...
0
votes
1answer
165 views

Diagramatic Puzzle

This is the Puzzle: and this is the hint: and the answer seems to be 000111 but I have absolutely no idea how it is done. Can anyonw help me out here? That's the puzzle. There are no other ...
0
votes
1answer
137 views

What are the digits that make this equation true in this cryptarithm?

Can you find digits that make the equations true in the following alphametic puzzle (cryptarithm)? $$RE + MI = FA$$ $$DO + SI = MI$$ $$LA + SI = SOL$$ Zero may be a possible variable No one digit ...
1
vote
0answers
381 views

Cryptography puzzle

I'm currently broadening my knowledge in cryptography (or, at least, am trying to) and so I stumbled upon a puzzle I can't crack. It goes like this: You're given a set of pairs. The second number is ...
6
votes
2answers
3k views

How can four employees calculate the average of their salaries without knowing other's salary using RSA?

I know of a solution. But this has a limitation that information is partially passed around and there needs some trust level. I'm wondering if any variant of public-private key (e.g. RSA) algorithm ...
7
votes
1answer
346 views

License Plate Statistics

California issues license plates in numeric order (if we turn the letters into numbers). I have fun noticing the latest plate I have seen. I am interested in what you can derive from a series of ...
6
votes
4answers
549 views

Mental card game

Each of n persons draws a card from a shuffled deck of $k$ cards numbered from $1$ to $k$. There are at least as many cards as persons. The winner is the person who is holding the largest card. If ...