Fermi
Practice problems for Fermi
- Amazon Packages Delivered in the US Daily
- Americans in Movie Theaters on Friday Night
- Annual Calorie Consumption for an American
- Annual Milk Consumption in California
- Annual Revenue of a NYC Hot Dog Cart
- Annual Shipping Containers at Long Beach
- Annual Shoe Sales in the US
- Annual Tourists Visiting Paris
- Ants in a Typical Backyard
- Benches in Central Park
- Bicycles in Amsterdam
- Birds in New York City
- Blades of Grass on a Football Field
- Breaths in a Human Lifetime
- Cell Towers in the United States
- Coffee Served at a Busy Starbucks Daily
- College Students Currently Enrolled in NYC
- Commercial Flights Worldwide Daily
- Cost to Fill All US Gas Tanks
- Daily Credit Card Transactions in the US
- Daily Flights from JFK Airport
- Daily Gasoline Usage in Los Angeles
- Daily Google Searches Worldwide
- Daily Miles Traveled by NYC Subway Trains
- Daily Passengers on London Underground
- Daily Revenue of a McDonald's Restaurant
- Daily Transactions at a Bank Branch
- Daily Uber Rides in Manhattan
- Daily Vehicles Crossing the George Washington Bridge
- Daily Visitors to Central Park
- Diapers Used Before Potty Training
- Electrical Wire in a House
- Electricity Used by US TVs at Peak Time
- Elevators in Manhattan
- Elevators in New York City
- Emails Sent Worldwide Daily
- Excel Spreadsheets Created Worldwide Daily
- Eye Blinks Per Year
- Fire Hydrants in San Francisco
- Gas Stations in the United States
- Global Daily Smartphone Sales
- Golf Balls in a School Bus
- Grains of Sand on a Beach
- Grocery Stores in Texas
- Haircuts Given in Manhattan Daily
- Hairs on a Human Head
- Height of $1 Million in $100 Bills
- High School Teachers in the United States
- Hours Spent Sleeping in a Lifetime
- Human Heartbeats Per Day
- Jelly Beans in a Gallon Jar
- Job Interviews Conducted in the US Daily
- Leaves on a Mature Oak Tree
- Length of NYC Water Mains
- Manhole Covers in NYC
- Miles of Pipe in NYC Water System
- Miles of Wire in a Skyscraper
- Mosquitoes Born Daily in Florida (Summer)
- Parking Spaces in a Major US City
- People Flying Over the US Right Now
- People in Times Square on New Year's Eve
- People on NYC Subway Right Now
- Piano Tuners in Chicago
- Pigeons in Manhattan
- Pizzas Consumed in NYC Daily
- Pizzas Ordered on Super Bowl Sunday
- Red Blood Cells in Human Body
- Restaurants in the United States
- Smartphones Currently in Use in NYC
- Stars Visible on a Clear Night
- Steps Taken Per Year by Average Person
- Streetlights in Los Angeles
- Taxi Cabs in New York City
- Taxis Operating in NYC Right Now
- Toilet Paper Sheets Used in the US Annually
- Toothbrushes Sold in the US Annually
- Total Length of US Roads
- Traffic Lights in Manhattan
- Traffic Lights in NYC
- Trees in Central Park
- Uber Drivers Active in Manhattan
- UPS Delivery Trucks Nationwide
- US Vending Machine Industry Revenue
- USPS Mailboxes in Boston
- Water Bottles Sold at a Stadium Per Game
- Water Bottles Sold at JFK Airport Daily
- Water in an Olympic Swimming Pool
- Water Used by NYC Daily
- Weight of Air in a House
- Weight of Cars in a Stadium Parking Lot
- Windows in the Empire State Building
- Annual Bitcoin Mining Energy Consumption
- Coffee Consumption on NYSE Floor
- Daily Bloomberg Terminal Keystrokes
- Daily Canceled HFT Orders
- Daily Excel Files in Finance
- Global Daily Text Messages
- Global Derivatives Notional Value
- Hours of Video Uploaded to YouTube Daily
- Manhattan Uber Rides During Market Hours
- NYSE Orders Per Second at Peak
- Physical Gold in ETF Vaults
- Texas Crypto Mining Electricity
- US Strategic Petroleum Reserve Capacity
- FX Volume Around Economic Releases
- Global Interest Rate Swap Notional
- Quant Fund GPU Backtesting Hours
- How Many Times Has "Priced In" Been Said Since 2008?