Science
Name two elements that are alkaline metals
Any two elements from group 1
E.g. Potassium, Lithium, Sodium
How many solutions are there for sin(x) = cos(x), where x is in the closed interval [0º, 360º]
2
This video game is the best-selling video game of all time. Its country of origin is Sweden, and it is known for having chunky graphics
Minecraft
In 4/4 time, how many quavers are there in 1 bar?
Eight
Economics
What is the economic term for "with other conditions remaining the same; other things being equal."
How many valves are there inside the heart
4 valves in total
They are:
Tricuspid Valve: Between the right atrium and right ventricle.
Pulmonary Valve: Between the right ventricle and the pulmonary artery.
Mitral Valve (or Bicuspid Valve): Between the left atrium and left ventricle.
Aortic Valve: Between the left ventricle and the aorta.
How many ordered triples of odd integers (x,y,z) are there such that x + y + z = 15
28
a real-time strategy mobile game incorporating elements from collectible card games, multiplayer online battle arenas (MOBAs) and tower defense
Clash royale
What is the best selling album of all time?
"Thriller" by Michael Jackson
Geography
Which country has the most islands?
Sweden
Between which specific types of pure (non-hybrid) atomic orbitals can a pi bond be formed?
Between parallel p-orbitals or parallel d-orbitals.
In a betting game starting with $7, you win independent fair-coin tosses: betting $n returns $2n if you win, $0 if you lose. You stop if your money exceeds $7. Using the optimal strategy, what is the probability of finishing with at least $8?
7/8
This is a strategy game for 2 players sitting opposite each other with a river in between them and pieces that are similar to that of people involved in an actual war.
"The Beatles" is a British band formed in the 1960s, what is the name of their first studio album?
"Please Please Me"
World History & Politics
Which UK university was most associated with Cold War spies?
Cambridge
What is the primary site of protein synthesis within a cell, a complex molecular machine composed of rRNA and proteins that is synthesized in the nucleolus?
The ribosome.
Given that 50! is divisible by (6^n * 8^m). What is the maximum possible value of n + m?
30
This active esports pro is widely considered the best pro esports player in any video game. His 12-year reign includes 6 World Championship wins, 10 National titles, and 2 mid-season invitational championship wins.
Faker
Tchaikovsky’s 1812 Overture is one of the most famous "spectacular" orchestral works. Which historical event does it commemorate?
It commemorates Russia’s victory over Napoleon’s invading forces in 1812.
Psychology
A psychological phenomenon where individuals are less likely to help someone in need when other people are present.
The Bystander Effect
State and derive the formula for centripetal force.
State: ∑F = mv^2/r
Derive: (any 2)
1. Using vectors
2. Specify that the change in velocity (acceleration) is the final velocity - initial velocity.
3. Using the concept of Limit
4. Based on the instantaneous concept of circular motion.
Given a degree-3 polynomial f(x) with leading coefficient 1, such that f(n) · f(2n) = f(-n) · f(-2n), and passes through the origin. If the graph also passes through the point (3, 18), what is f(n+1) - f(n-1) when n = 3?
50
This video game sequel is one of the most popular new indie games on the market. Created by three people, it holds the record for crashing Steam for the longest time upon release. It also has multiple nominations for the 2025 Game of the Year awards.
Hollow knight: Silksong
Which symphony by Beethoven is often regarded as a revolutionary turning point from the Classical style to the Romantic era because of its emotional intensity and (original) dedication to Napoleon?
Symphony No. 3 in E♭ major, "Eroica" by Ludwig van Beethoven
Chinese History
What was the relationship between the second emperor of the Tang Dynasty and the fourth emperor(Hint:Not an emperor of Tang Dynasty) after him?
Couple/concubine/father in law&daughter in law