It depends on the horse really. How much weight a certain horse can carry depends on factors such as breed, weight, saddle type, the horses bones, conformation, condition, and the rider's skills. A horse can carry 20% of it's weight. So an average size horse that ways around 1200 pounds can carry 240 pounds (or 108 kilos), with tack and rider included. Although a larger boned horse can carry more than that. Just depending on the horse.
Any horse size should be okay for 5'6" person but most ride horses between 15 and 16 hands high.
Depending on the horses size and breed, anything between 400 kilos and 700 kilos is normal range. To determine an accurate range, a more specific questionneeds to be asked.
they should ride a 200cc depending on there size or can go to a 300cc
I'd say 13 hh, but that's up to your instructor. You can ride any horse, but that would be most comfortable.
Due to their small size, they are usually slower than a horse.
A 5'2 woman should ride a bike with a frame size of around 15-16 inches.
Height and weight are criteria for acquiring a horse. A 49 year old who is 5' 1" and weighs 90lbs could ride a small pinto. A 49 year old who is 6' 3" and weighs 210lbs would have a problem (or the pinto would). Base the size of the horse on the size of the rider.
It depends on your height and the horse. If your looking for something for a child get a pony. If it's for an adult get a horse and if it's sound make sure to go on a little ride so you make sure it's the right size.
A Large size
it depends on what breed the foal(baby horse) is. You can't ride them though until they are old enough, even if they are the size of a normal horse.
This will vary from horse to horse. To determine blanket size measure from the center of the horses chest to the center of it's tail and that should be the blanket size, if it is a odd number go up one size.
The cinch size will vary from horse to horse, measure the horse where the cinch should be and that'll give you a good idea of what size to get.