At the time of creating account, you might have provided one answer each for total 3 questions asked by them to protect your account security. You should have kept those answers for memory by way of storing them at a safe place. If you can remember at least one of those answers correctly, you could log into your account. Then, you may change the answers to be more easier for you. But, presently, there is no option but to take the help of hubpages by contacting them through email.