If one side of a right angle triangle has length equal to $a^{n-1}$, where $n\ge2$ and $a$ is any odd number greater than 1, how do we find the length of the hypotenuse?

How one can find a text file with 1000 bytes which zip file is as large as possible? I think it must be over 1000 bytes.

Below is a periodic table that's hiding a secret word. Can you find out what's strange about this purple periodic table and find the answer. Text-only version: H He Li Be B C N O F...

You were at your neighborhood barbeque when noticed a lady reporting a theft to the police. This is what you heard: Lady: Help! A man grabbed my purse and ran away! Police: Did you notice anything about him that can help us identify him? Lady: Yes, he had a plate of peas. Police: Only peas? Lady...