Who is the youngest elected US president?
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John F. Kennedy
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Franklin D. Roosvelt
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Barack Obama
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Bill Clinton
A
Correct answer
Explanation
John F. Kennedy was 43 years old when he was inaugurated in 1961, making him the youngest person to be elected President of the United States. Theodore Roosevelt became president at age 42, but he assumed office after William McKinley's assassination rather than being elected to the office. This distinction between being elected versus assuming office is crucial for this historical fact.