The Examinee needs to get 70 points and above to be qualified for Levels 10 through 1. Each addition/subtraction question worths 10 points. Each multiplication and division question worths 5 points.
b.
Starting at Level 4 and onward, the mental tests include addition/subtraction, multiplication, and division.
c.
The questions for Level Pro 1 ~ 10 are all the same. The certified level will be defined according to the points obtained by the Examinee as shown in the table below.