One of these Social Security quiz questions is very important, depending on your age; the others are useful for stumping that know-it-all in Accounting. (Photo: Shutterstock)

At what age can you get your Social Security retirement benefits? Why are the first three digits of your Social Security number the same as your sibling's, but different from your friends'? Check your knowledge of trivial and not-so-trivial Social Security facts, which we've sourced from the Social Security Administration and  2018 Social Security & Medicare Facts (The National Underwriter Company/ALM):

Check out these other BenefitsPRO quizzes:

Quiz: How well do you know ERISA rules?

Quiz: HSAs and Employer Duties

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