Sólo una vez al año
tú celebras ese día,
y conmemoras la fecha
en que llegaste a la vida.
Answer: cumpleaños
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files:
Einstein said that only 2% of the world could solve this problem. Can you do it?
Complete the grid by using logic and the given clues of each problem.
Use logic deductions to solve problems that are similar to the Einstein's Riddle.