If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There was a strange boy who was born before his father. How can this be possible?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

By using 'because' continuously three times, can you make an English statement ?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Solve the equation in the image by looking at the pattern closely.

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

What's a single-digit number with no value?

What is more useful when it is broken?