Silently I drink and dive in fluids dark as night.
I beat the mighty warrior but never in fight.
The black blood in my veins your thirst for knowledge slakes.
My spittle is more venomous than that of poison snakes.
Answer: pen
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.