During which month do people sleep the least?

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?

Can you write down eight eights so that they add up to one thousand?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

The more you take me, the more you leave me behind.
Who Am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?