You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What is always in front of you but can’t be seen?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?