How many times can you subtract the number two from the number fifty?

Next Number in the Series,

5, 16, 49, 104, ?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

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

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

What has 13 hearts but no other organs?

Decode below rebus
D
N
A
T
S , D

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Count the number of triangles in the picture below:

What is so fragile that saying its name breaks it?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable