Math
Computer Science
Econ/Finance
Brain Teaser
Misc
100

What is the derivative of x³?

3x²

100

What is a variable in code?

A named place that stores a value.

100

What does GDP stand for?

Gross Domestic Product

100

You’re in a race and pass the person in 2nd place. What place are you in?

2nd

100

Who famously tossed a plate of broccoli over their right shoulder?

Fanum

200

If you invest $5,000 at 8% a year, about how many years until it doubles?

About 9 years, by the Rule of 72

200

What does an if statement do?

Runs code only when a condition is true.

200

What is the difference between a stock and a bond?

 A stock is ownership in a company, a bond is a loan to a company or government.

200

Two fathers and two sons go fishing and each catches one fish, but only 3 fish are caught in total. How?

Three people: a grandfather, his son, and his grandson

200

What cryptocurrency started as a joke based on the Doge meme?

Dogecoin

300

What is 35% of 120?

42

300

What's the difference between a stack and a queue?

A stack is LIFO, queue is FIFO.

300

What does the Consumer Price Index measure?

The average change in prices of a basket of common goods and services.

300

A bat and a ball cost $1.10 total. The bat costs $1 more than the ball. How much is the ball?

5 cents

300

Why did Big Boogie turn down his scholarship from a big college in Jacksonville?

To grind from the rap

400

What branch of math studies collections of unique objects?

Set theory

400

What is an API?

Application Programming Interface, a set of rules that allows software applications to talk to each other and exchange information.

400

What does the Black-Scholes model price?

European-style options.

400

There are three light switches outside a closed room, and one controls a bulb inside. You can enter the room only once. How do you find the right switch?

Turn on switch 1 for a few minutes, turn it off, turn on switch 2, then enter. If the bulb is lit, it’s switch 2. If it’s off but warm, it’s switch 1. If it’s off and cold, it’s switch 3.

400

What is the choice quarter zip brand for a Wall Street banker?

Peter "The Crown" Millar

500

Two fair dice are rolled. Given that the sum is at least 10, what’s the probability that at least one die shows a 6?

5/6

(Sums of 10 or more: (4,6), (5,5), (6,4), (5,6), (6,5), (6,6). That’s 6 outcomes, and only (5,5) has no 6. So 5 of the 6 qualify.)

500

What is the time complexity of binary search?

O(log n)

500

What is stagflation?

An economic condition characterized by the simultaneous occurrence of stagnant economic growth, high unemployment, and persistent high inflation.

500

How many times a day do the hour and minute hands of a clock overlap?

22

500

Which country has the oldest population in the world?

Monaco

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