You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

What will you call your mother's brother's brother-in-law?

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

Can you replace the question mark with the correct number in the below table sequence?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

If you say my name, I will no longer exist. What am I?

Find the smallest sentence with all the English alphabet.

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