Mathematical puzzles

Puzzles, situation puzzles and recreational mathematics.

situation puzzles and recreational mathematics. Neuron juice
 
 
 

Neuron juice.

The important thing is not to stop questioning. (Albert Einstein.)

  

Riddle. 7

We have twelve coins that look similar, but one of them is slightly heavier.

Using a pan balance and just three tries, find the different coin.

 

SOLUTION