Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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 ?

Find the missing number in the image below.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What does the below rebus puzzle mean?