(A) 100
(B) 200
(C) 300
(D) ** 70
EXPLANATIONS BELOW
Concept note-1: -Age of presidents The youngest to become president by election was John F. Kennedy, who was inaugurated at age 43. The oldest person to assume the presidency was Joe Biden, the nation’s current president, who was inaugurated at age 78.
Concept note-2: -The biography for President Roosevelt and past presidents is courtesy of the White House Historical Association. With the assassination of President William McKinley, Theodore Roosevelt, not quite 43, became the 26th and youngest President in the Nation’s history (1901-1909).