Problem: ASCII:

Some software assigned special meanings to ASCII characters sent to the software from the terminal. Operating systems from Digital Equipment Corporation, for example, interpreted DEL as an input character as meaning "remove previously-typed input character", and this interpretation also became common in Unix systems. Most other systems used BS for that meaning and used DEL to mean "remove the character at the cursor".[citation needed] That latter interpretation is the most common now.[citation needed]

What interpretation became common in Unix systmes?
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A: interpreted DEL as an input character as meaning "remove previously-typed input character"

Problem: Egypt:

On 18 January 2014, the interim government successfully institutionalised a more secular constitution. The president is elected to a four-year term and may serve 2 terms. The parliament may impeach the president. Under the constitution, there is a guarantee of gender equality and absolute freedom of thought. The military retains the ability to appoint the national Minister of Defence for the next 8 years. Under the constitution, political parties may not be based on "religion, race, gender or geography".

When was new constitution institutionalised?
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A: 18 January 2014

Problem: Crucifixion of Jesus:

Christians believe that Jesus' death was instrumental in restoring humankind to relationship with God. Christians believe that through faith in Jesus' substitutionary death and triumphant resurrection people are reunited with God and receive new joy and power in this life as well as eternal life in heaven after the body's death. Thus the crucifixion of Jesus along with his resurrection restores access to a vibrant experience of God's presence, love and grace as well as the confidence of eternal life.

How are people united with God?
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A: through faith in Jesus' substitutionary death

Problem: Renewable energy commercialization:

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy, accounting for 16 percent of global electricity generation 3,427 terawatt-hours of electricity production in 2010, and is expected to increase about 3.1% each year for the next 25 years. Hydroelectric plants have the advantage of being long-lived and many existing plants have operated for more than 100 years.

Electricity production is expected to increase by what percentage each year for the next 15 years?
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A:
unanswerable