What is so fragile that saying its name breaks it?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What's a single-digit number with no value?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

What is black when you buy it, red when you use it, and gray when you throw it away?

If an electric train is travelling south, then which way is the smoke going?

Count the number of lines in the image below ?