QUIZ: How Well Do You Know The U.S. Presidents?

Who was the youngest U.S. president to take office?

Retry Correct Incorrect Theodore Roosevelt took office at 42 years old after William McKinley was assassinated.
Bettmann/Getty Images
Bettmann/Getty Images

Who was the youngest U.S. president to take office?

  • Theodore Roosevelt
  • Ulysses S. Grant
  • Herbert Hoover
  • Barack Obama
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