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.)

  

2.- A bear walks 10 km. to the South, 10 to the East and 10 to the North, going back to the place where it started. What is the colour of the bear?

 

SOLUTION