Four bells, four strings, and a seemingly simple question. Before trying random combinations, it's worth asking yourself if the goal is even achievable.
The binary bells
Riddle statement
Four bells A, B, C and D start silently.
There are four strings:
- If they were silent, they start ringing.
Is it possible to make only bell C ring at the end? If you think so, indicate which ropes need to be pulled; If you think not, explain why.