Climbers descend from the summit of Mount Everest by the same route they took to get to the top. During the descent climbers must be more carefull because they are usually very tired and a small mistake could kill them.
they prepare for Everest by practicing and studying the mountain
You need a lot of skills and experience to climb a high mountain like Mount Everest.
Take a read at the articles for more details in the link I have given.
hiking
The amount of time needed to climb Mount Everest is usually around 60 days.
You do not really need survival skills to climb Mount Everest. The sort of skills needed would be high altitude mountain climbing, ice climbing, rope skills, leadership skills and self arrest skills. You would be expected to know how to dress and wear the correct safety clothing and equipment.
There are many things needed to climb Mount Everest. Lots of money. Experience in climbing. To be fit and healthy. See the link for a list of equipment that you also need.
It is said the Mount Everest is not a technical mountain to climb but you will still need a good knowledge of mountain climbing. There is a lot of training needed if you wanted to climb a high mountain. Have a look at the link.
I would climb Mount Everest for the adventure and challenge.
No, there are no competitions where you race to the top of Mount Everest. Mount Everest is a dangerous mountain to climb.
There are many things needed to climb Mount Everest. Lots of money. Experience in climbing. To be fit and healthy. See the link for a list of equipment that you also need.
Edmund Hillary climb Mount Everest in 1953.
To climb Mount Everest you need to buy a climbing permit first, without this you are not allowed to climb.
No Mount Everest is not the hardest mountain to climb, there are many mountains that are very hard to climb.
There are many tools and other items you need before attempting to climb Mount Everest. Take a look at the list in the link.