# Find the missing number.

**Option 3 is the right answer.**

In second and third column the sum of the numbers would be 28 . Thus the 13 will be right number in the first column , by adding 13+7+8 we get 28.

**Option 3 is the right answer.**

In second and third column the sum of the numbers would be 28 . Thus the 13 will be right number in the first column , by adding 13+7+8 we get 28.