Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

How many triangles can you find in this given picture?

There is a place where if I stand up straight, I will still be considered sideways.

How many bananas can you eat if your stomach is empty?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

What number divided by 4 is the same as that number minus 4?

What always comes into a house through the keyhole?

Solve the mathematical equation in the picture below.