He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What does it mean?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

How is a fly different from a mosquito?

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

What breaks yet never falls, and what falls yet never breaks?