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.

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

In the four images below, can you find the odd one out?

How far can you walk into the woods?

This isn't your average math problem. It requires you to see beyond basic operations and identify the hidden logic that connects the numbers.

18, 46, 94, ?, 52, 61

I’m tall when I’m young, and I’m short when I’m old. What am I?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What is the next number in the series?

15 29 56 108 208 ?