A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Why do you find that most of the buildings are deprived of the 13th floor?

What brings you down but never up?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

How can you make number one disappear by adding something to it?

What has no start, end, or centre?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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