Problem: In 2010, the city population was spread out with 18.8% under the age of 18, 9.4% from 18 to 24, 33.1% from 25 to 44, 25.0% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 38.8 years. For every 100 females, there were 99.2 males. For every 100 females age 18 and over, there were 98.1 males.

How many percent were not 65 years of age or older?
Answer: 86.4

Problem: In late 1920, the Persian Soviet Socialist Republic in Rasht was preparing to march on Tehran with "a guerrilla force of 1,500 Jangalis, Kurds, Armenians and Azerbaijanis", reinforced by the Bolsheviks' Red Army. This fact, along with various other disorders, mutinies and unrest in the country created "an acute political crisis in the capital." By 1921, the ruling Qajar dynasty of Persia had become corrupt and inefficient. The oil-rich nation was somewhat reliant on the nations of Britain and Russia for military and economic support. Civil wars earlier in the decade had threatened the government, and the only regular military force at the time was the Cossack Brigade. The Qajar shah in 1921 was Ahmad, who had been crowned at the age of eleven. He was considered to be a weak, incompetent ruler, especially after British, Russian and Ottoman occupations of Persia during World War I. In 1911, when the capital city, Tehran, had been seized by the Russians, armed Bakhtiaris tribemen, rather than Iranian regular troops, expelled the invaders. This further diminished the government's reputation, rendering it almost powerless in time of war. Britain, which played a major role in Persia, was dismayed by the Qajar government's inability to rule efficiently. This inefficiency was the background of a power struggle between Britain and Russia, each nation hoping to control Persia. On 14 January 1921, the British General Ironside chose to promote Reza Khan, who had been leading the Tabriz battalion, to lead the entire brigade. About a month later, under British direction, Reza Khan's 3,000-4,000 strong detachment of the Cossack Brigade reached Tehran.

When approximately did Reza Khan's 3,000-4,000 strong detachment of Cossack Brigade reach Tehran?
Answer: 1921-February-14

Problem: In the county, the population was spread out with 24.90% under the age of 18, 7.20% from 18 to 24, 28.10% from 25 to 44, 23.60% from 45 to 64, and 16.30% who were 65 years of age or older.  The median age was 39 years. For every 100 females there were 97.10 males.  For every 100 females age 18 and over, there were 93.60 males.

Which group had the second least amount of people?
Answer: 65 years of age

Problem: As of the census of 2000, 458,336 people, 181,153 households, and 115,394 families resided in the county.  The population density was 587 people per square mile (227/km²).  There were 196,633 housing units at an average density of 252 per square mile (97/km²).  The Race (United States Census) of the county was 84.78% White, 9.38% African American, 0.86% Native American, 2.09% Asian, 0.03% Pacific Islander, 0.89% from other races, and 1.97% from two or more races. Hispanics or Latinos of any race were 2.44% of the population. About 17.5% were of Italian people, 16.2% Irish people, 12.4% Germans, 9.4% English people, and 6.0% Polish people ancestry according to Census 2000, and 91.4% spoke English language, 2.4% Spanish language and 1.1% Italian language as their first language.

How many in percent from the census weren't white?
Answer:
15.22