An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess human intelligence. The abbreviation IQ was coined by the psychologist William Sterne for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in a 1912 book.
Answer: Ronald Reagan became the oldest president when he was elected in 1980 at the age of 69.
The oldest president to assume office was Ronald Reagan (age 69 years, 349 days), who was also the oldest in office (age 77 years, 349 days), ending at the inauguration of George H. W. Bush. The oldest living president is George H. W. Bush, born June 12, 1924 (aged 7009288306000000000â  91 years, 131 days).he youngest living president is the incumbent, Barack Obama, born August 4, 1961 (aged 7009171084960000000â  54 years, 78 days). The longest-lived president was Gerald Ford, who died at the age of 93 years and 165 days. Ronald Reagan was the second longest-lived, 45 days short of Ford.