How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What is the longest word in the dictionary?

What jumps when it walks and sits when it stands?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What breaks yet never falls, and what falls yet never breaks?