A brain teaser is a form of puzzle that requires thought to solve. It often requires thinking in unconventional ways with given constraints in mind; sometimes it also involves lateral thinking. Logic puzzles and riddles are specific types of brain teasers.

Today's Brain Teaser | Archive of all Teasers

Today's Brain Teaser | Archive of all Teasers

*The Brain Teaser: **Scroll Down for your Solution*

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

Definition of solution - a means of solving a problem or dealing with a difficult situation. Our Free Brain Teaser Newsletter

The number is: 12345679

12345679 * 9 = 111111111

12345679 * 18 = 222222222

12345679 * 27 = 333333333

And so on...