That is strictly dependent on the specific college or university and the specific program of study. Not all require the same testing requirements. Some might require the GRE, others the GMAT, while still others require no testing but base their selection on other criteria.
the same as a normal masters degree, 5 years
It depends
No college degree is necessary for this occupation.
NO
you have to earn a masters degree in mathematics.
a masters degree . a PhD degree
Typically, a masters degree in the field will take approximately 33 credits depending on the college or university. The masters can take between two and three years to complete depending on the course load carried each semester. This is because most individuals take the masters as part-time students.
six years
about 6-8 years
It takes about 5 years to earn a masters degree
There is no such thing as a degree in "writing", being able to write is a prerequisite of studying for any degree.
after graduation it will take 2 years