What always comes into a house through the keyhole?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

In the four images below, can you find the odd one out?

What jumps when it walks and sits when it stands?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

How many times can you subtract the number 5 from 25?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?