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

What's the only room from which no one can enter or leave

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Identify the hidden meaning behind this picture?

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

Can you replace the question mark with the correct number in the below table sequence?

Can you find a rabbit in the given picture?

What type of tree can I carry in my hand?

What can you see in the middle of March and April that you can never see in any other month?