A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Why Wine Glass Stem is so long?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What work can one never finish?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

The centre of the third figure is empty. What digit should fit inside?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?