Why we add security questions on Yahoo in Hartford, Connecticut For Sale

Why we add security questions on Yahoo? When we are registering for a new account in Yahoo mail, we are asked to fill answers for a few security questions. These security questions are framed in such a way that they try to answer the question in such a way that it is related to our lives which not publicly known. That really helps a users for his account recovery or many other things so if you want to added security question create your own and if you don't know how to add contact Yahoo technical support team to get help on phone.