us-presidents-quiz3.aspx Example
As you press each radio button, the number of correct answers will be displayed.
Who was the first US president?
Abraham Lincoln
George Washington
John Adams
Thomas Jefferson
Who was oldest US president at inauguration?
Franklin Delanor Roosevelt
Ronald Reagan
Theodore Roosevelt
Warren Harding
Who was youngest US president at inauguration?
Bill Clinton
George W. Bush
John Kennedy
Theodore Roosevelt
Who was first president to be inaugurated on January 20?
Franklin Delanor Roosevelt
Harry Truman
Herbert Hoover
Woodrow Wilson