Which 1453 event is conventionally regarded as marking the end of the Byzantine Empire and the beginning of the Ottoman Empire's dominance in southeastern Europe?
The Fall of Constantinople
What law of thermodynamics states that the entropy of an isolated system cannot decrease?
The Second Law of Thermodynamics
What is the next number in the sequence: 2, 6, 12, 20, 30, ?
42
What is the largest lake in the world by surface area?
Answer: The Caspian Sea
Question: A man has four daughters. Each daughter has one brother. How many children does the man have?
5
Which Chinese dynasty, founded by Zhu Yuanzhang in 1368, expelled the Mongol Yuan dynasty and later sponsored Zheng He's famous maritime expeditions?
Ming Dynasty
In molecular biology, what enzyme synthesizes RNA from a DNA template during transcription?
RNA Polymerase
A triangle has side lengths 3, 4, and 5. What is the area of the triangle?
6
Which country is home to the Atacama Desert, one of the driest places on Earth?
Answer: Chile
A bat and a ball cost $1.10 together. The bat costs $1 more than the ball. How much does the ball cost?
5 cents
The 1884–85 conference that formalized European rules for the colonization of Africa was hosted by which German chancellor?
Otto von Bismarck
Which part of the brain is primarily responsible for forming new long-term memories?
Answer: Hippocampus
9-3÷1/3+1
1
Which African country is home to Mount Kilimanjaro, the highest mountain in Africa?
Answer: Tanzania
A room contains 10 people. Everyone shakes hands with everyone else exactly once. How many handshakes occur?
45
Which 16th-century Ottoman sultan is best known for expanding the empire into Central Europe, capturing much of the Middle East, and overseeing the Ottoman Empire during its cultural and political peak?
Answer: Suleiman the Magnificent
A ball is dropped from a height of 20 meters. Ignoring air resistance, approximately how fast is it moving just before it hits the ground? Use g≈10 m/s2.
Answer: 20 m/s
A fair six-sided die is rolled twice. What is the probability that the two numbers add up to 8?
5/36
Which country has the most islands in the world, with hundreds of thousands of islands and islets?
Answer: Sweden
Question: What number should replace the question mark?
1, 11, 21, 1211, 111221, ?
Answer: 312211
During World War II, which countries were the three principal Axis powers, and which countries were the three principal Allied powers?
Answer:
Axis: Germany, Italy, and Japan
Allies: United Kingdom, United States, and Soviet Union
When hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH), what are the two products formed?
Answer: Water (H₂O) and sodium chloride (NaCl).
What is the sum of the first 100 positive integers?
5,050
What is the only country in the world that is located in all four hemispheres?
Answer: The Marshall Islands
In how many different ways can 5 people sit around a circular table if rotations of the same arrangement are considered identical?
Answer: 24