Math
This is the only number that is both even and prime.
What is 2?
This traditional garment is often recommended for formal interviews to make a strong first professional impression.
What is a suit?
In 1928, Alexander Fleming discovered this life-saving antibiotic after leaving a petri dish uncovered and finding mold had killed the bacteria.
What is penicillin?
This "feel-good" neurotransmitter, associated with reward and motivation, is released when you eat chocolate, exercise, or get likes on social media.
What is dopamine?
This Japanese dish consists of vinegared rice topped with raw fish.
What is sushi?
This famous ratio, approximately 3.14159, represents the relationship between a circle's circumference and its diameter.
What is pi (π)?
This four-step interview framework, favored by MBA programs and top consulting firms, asks candidates to describe the Situation, the Task, their Action, and the Result.
What is the STAR method?
Engineer Percy Spencer discovered this kitchen appliance's cooking potential when a chocolate bar melted in his pocket while he worked on radar equipment.
What is the microwave oven?
This psychological phenomenon explains why you suddenly see your new car everywhere after buying it — your brain isn't finding more, it's just noticing more.
What is the Baader-Meinhof effect (frequency illusion)?
This spicy Korean side dish is made from fermented cabbage and is served with almost every meal.
What is kimchi?
In this famous sequence, each number is the sum of the two preceding ones: 0, 1, 1, 2, 3, 5, 8, 13...
What is the Fibonacci sequence?
Many interviewers start with this open-ended request, which should be answered with a brief "elevator pitch" of your career.
What is "Tell me about yourself"?
Spencer Silver at 3M created a weak adhesive that nobody wanted — until his colleague Arthur Fry needed a bookmark that wouldn't fall out of his hymn book, giving birth to this office staple.
What are Post-it Notes?
During this sleep stage, your brain is nearly as active as when you're awake, your eyes dart rapidly, and most vivid dreaming occurs — yet your body is temporarily paralyzed.
What is REM (Rapid Eye Movement) sleep?
This Peruvian dish "cooks" raw fish using citrus juice instead of heat.
What is ceviche?
This is the smallest number expressible as the sum of two cubes in two different ways (1³+12³ and 9³+10³), famously linked to a taxicab ride.
What is 1729 (the Hardy-Ramanujan number)?
This term refers to the "hidden" qualities like communication, teamwork, and adaptability, as opposed to technical "hard" skills.
What are soft skills?
Chemist Roy Plunkett accidentally created this slippery substance in 1938 while experimenting with refrigerants — it later became the world's most famous non-stick coating.
What is Teflon (polytetrafluoroethylene/PTFE)?
This Nobel Prize-winning psychologist's book Thinking, Fast and Slow introduced the concept of System 1 (fast, intuitive) vs. System 2 (slow, deliberate) thinking — reshaping how businesses understand consumer decision-making and cognitive biases in leadership.
Who is Daniel Kahneman?
This expensive delicacy is often called 'black gold' and grows underground near tree roots.
What is Truffles?
Mathematician Georg Cantor proved that there are different sizes of these, showing that real numbers are "more infinite" than natural numbers.
What are infinities (or infinite sets)?
To show continued interest and professionalism, it is standard practice to send this type of note or email within 24 hours of the meeting.
What is a Thank You note?
In 1895, Wilhelm Röntgen noticed a fluorescent screen glowing in his lab while experimenting with cathode rays, accidentally discovering these invisible rays that would revolutionize medicine.
What are X-rays?
When you can't decide between a small and large popcorn at the movies, theaters add a medium priced just below the large to make the large seem like a bargain. This pricing trick is known as this effect.
What is the decoy effect?
This spice, a key ingredient in many curries, is derived from the dried seeds of a plant in the parsley family and is one of the world's oldest.
What is Cumin?