A pond has an algae problem that doubles in size each day, if the pond is half full at day 24, what day will it be full?
Day 25
How do you determine if a number is even or odd?
Modulo operation (%)
What is the main difference between a stock and a bond?
A stock represents ownership, a bond represents a loan to a company or government
A stock price increases from $40 to $50, what is the percent increase?
10/40 = 0.25 = 25%
What country did Matt grow up in?
Thailand
You’re outside a closed room with 3 switches and 3 lightbulbs inside. You can enter the room once. How do you find which switch controls the bulb?
Turn on one switch for 5 minutes then turn it off, turn on another switch, then walk in the room
What's the difference between a stack and queue?
Stack = Last in first out
Queue = First in first out
What does “liquidity” refer to in finance?
How easily an asset can be converted to cash without losing value
What is the product of (x+2)(x−3)?
x^2−x−6
Where did Ethan complete his bachelors in Computer Science?
University of Oregon
A fair die is rolled twice. What is the probability that the sum equals 7?
6/36 = 1/6
What time complexity does Big-O notation describe?
Worst-case scenario
What is GDP and what does it measure?
Gross Domestic Product, the total value of all goods and services produced within a country
What is the Central Limit Theorem?
For a sufficiently large sample size, the distribution of the sample mean (or sum) will approximate a normal distribution
What field does Armaan do research in?
Bioengineering & Machine Learning
If 100 students each shake hands with everyone else exactly once, how many handshakes occur?
(100(99))/2 = 4950
What is the time complexity of accessing data in an array?
O(1)
When inflation is high, what do central banks often do to interest rates?
Raise them to slow spending and borrowing
What is the integral of 3x^2 dx
x^3 + C
What field does Zoe do research in?
Nueroscience
Three people check into a hotel room that costs $30. They each contributed $10. Later, the hotel manager realizes that the room rate was only $25, so he gives $5 to the bellboy to return to the guests. The bellboy, feeling greedy, keeps $2 for himself and gives $1 back to each of the three guests. Now, each guest has paid $9 (totaling $27), and the bellboy has $2. What happened to the last dollar?
There is no missing dollar.
What is the worst case time complexity of accessing a item in a singly linked list?
O(n)
What is stagflation?
A situation with both high inflation and high unemployment
Two vectors are orthogonal if this condition holds.
Their dot product equals 0
How many different languages does Sally know?
4