I am killer of trees but people need me.
I can be blown away by a breeze
and I have been here since ancient Greece.
What am I?
Answer: paper
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.