Problem: Arsenal F.C.:

Arsenal reached the final of the 2007 and 2011 League Cups, losing 21 to Chelsea and Birmingham City respectively. The club had not gained a major trophy since the 2005 FA Cup until 17 May 2014, when Arsenal beat Hull City in the 2014 FA Cup Final, coming back from a 20 deficit to win the match 32. This qualified them for the 2014 FA Community Shield where they would play Premier League champions Manchester City. They recorded a resounding 30 win in the game, winning their second trophy in three months. Nine months after their Community Shield triumph, Arsenal appeared in the FA Cup final for the second year in a row, thrashing Aston Villa 40 in the final and becoming the most successful club in the tournament's history with 12 titles. On 2 August 2015, Arsenal beat Chelsea 10 at Wembley Stadium to retain the Community Shield and earn their 14th Community Shield title.

In what stadium does Hull City play?
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A: unanswerable

Problem: Communications in Somalia:

After forming partnerships with multinational corporations such as Sprint, ITT and Telenor, these firms now offer the cheapest and clearest phone calls in Africa. These Somali telecommunication companies also provide services to every city, town and hamlet in Somalia. There are presently around 25 mainlines per 1,000 persons, and the local availability of telephone lines (tele-density) is higher than in neighboring countries; three times greater than in adjacent Ethiopia. Prominent Somali telecommunications companies include Somtel Network, Golis Telecom Group, Hormuud Telecom, Somafone, Nationlink, Netco, Telcom and Somali Telecom Group. Hormuud Telecom alone grosses about $40 million a year. Despite their rivalry, several of these companies signed an interconnectivity deal in 2005 that allows them to set prices, maintain and expand their networks, and ensure that competition does not get out of control.

How much higher is the Somalia teledensity compared to Niger?
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A: unanswerable

Problem: Portugal:

Passos Coelho also announced that the retirement age will be increased from 65 to 66, announced cuts in the pensions, unemployment benefits, health, education and science expenses, abolished the English obligatory classes in Basic Education, but kept the pensions of the judges, diplomats untouched and didn't raise the retirement age of the military and police forces. He has, however, cut meaningfully the politicians salaries. These policies have led to social unrest and to confrontations between several institutions, namely between the Government and the Constitutional Court. Several individualities belonging to the parties that support the government have also raised their voices against the policies that have been taken in order to try to solve the financial crisis.

What did the instituting of these policies lead to?
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A: social unrest and to confrontations between several institutions

Problem: History of science:

Mathematics: From the earliest the Chinese used a positional decimal system on counting boards in order to calculate. To express 10, a single rod is placed in the second box from the right. The spoken language uses a similar system to English: e.g. four thousand two hundred seven. No symbol was used for zero. By the 1st century BC, negative numbers and decimal fractions were in use and The Nine Chapters on the Mathematical Art included methods for extracting higher order roots by Horner's method and solving linear equations and by Pythagoras' theorem. Cubic equations were solved in the Tang dynasty and solutions of equations of order higher than 3 appeared in print in 1245 AD by Ch'in Chiu-shao. Pascal's triangle for binomial coefficients was described around 1100 by Jia Xian.

What advanced mathematical methods did the Tang dynasty have?
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A:
Cubic equations