Everyone has it.
Those who have it least don't know that they have it.
Those who have it most wish they had less of it,
But not too little or none at all.
Answer: age
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.