A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

How far can you walk into the woods?

Can you move 2 matchsticks to form four equal sized squares.

I cannot talk, but I always reply when spoken to. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

What kind of band never plays music?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?