**Math Riddle: **Find four numbers, the sum of which is 45, so that if 2 is added to the first number, 2 is subtracted from the second number, the third number is multiplied by 2 and the fourth number is divided by 2, then the four numbers so produced are all the same. What are the four numbers?

**Answer: **The correct answer is 45.

8 + 2 = 10

12 – 2 = 10

5 x 2 = 10

20 ÷ 2 = 10