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

I shave every day, but my beard stays the same. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Can you find out the remainder when 3^300 is divided by 5?

John was piloting a plane behind a car but was never able to overtake it. Why?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?