If you are asking how long one usually has to study karate in order to receive a black belt it really depends on the dojo you go to, and the age of the person when they start.
However, in many dojos in the United States if someone begins after the age of 18 on average it takes about 5-6 years.
There are 12 black belts that are 10 years old in Master Johnsons Family Karate.
That depends on the school and style of karate. Orange belt is usually pretty low and can be on one side or the other of the yellow belt. How many stripes will depend on the school.
That will depend on the school. Not many use that pattern and it is not traditional.
Black belt is the highest. Though traditional Okinawa karate uses a red and white belt to indicate 7th and 8th degree black belt and solid red for 9th and 10th. Many American schools use the red belt as a kyu level below black belt.
the answer is two the larger belt is the drive belt and the smaller of the two is the auger belt.
You don't need to win them but in Kyokushin Karate you have to do 3 battles.
It depends on you're natural talents and on the belt you're trying to achieve
That depends on many factors. Your dedication and practice will have a major affect. Most schools have minimum time frames for promotion, with most saying will take 3 years from the start to reach black belt. Most of the people I know took between 4 and 5 years.
Karate is a martial art. It originated in Okinawa around 200 years ago.
You would find the listings in many of the karate histories. The book Okinawan Karate: Teachers, Styles and Secret Techniques by Mark Bishop provides hundreds of senior practitioners and their lineage.
That is totally going to be a personal decision. I've done karate for many, many years. I think it is fun, hard work and rewarding. For a few years I did some fencing, I don't do it anymore.
it will about 2 years