Questions

Questions and answers

Every question from past Plain puzzles, with the real answer. Today’s questions appear here once the day is over.

Which country has the fastest home internet?
Internet Speed · Plain #27
What percentage of Earth’s dry air is nitrogen?
Planet & Space · Plain #27
How old was Mark Zuckerberg when he launched Facebook?
Famous Moments · Plain #27
How many countries are in Asia, according to the UN?
Planet & Space · Plain #27
How old was the oldest cat ever recorded?
Everyday Numbers · Plain #27
In what year was LEGO founded?
Guess the Year · Plain #27
Which fast-food chain has the most restaurants?
Fast-Food Chains · Plain #27
Which country has the longest coastline?
Coastline · Plain #26
How many dots are on a standard die in total?
Everyday Numbers · Plain #26
How many mountains in the world are higher than 8,000 m?
Planet & Space · Plain #26
How long is the largest foot of any living person?
Body & People · Plain #26
How many monthly Spotify listeners did Drake have in November 2026?
Everyday Numbers · Plain #26
In 2015, what share of people used safely managed drinking water?
Everyday Numbers · Plain #26
Which airline flies to the most countries?
Airline Reach · Plain #26
Which planet has the most moons?
Moons · Plain #25
How many days are in a typical US school year?
Everyday Numbers · Plain #25
What’s the Rubik’s Cube world record, as of 2026?
Everyday Numbers · Plain #25
How fast did Usain Bolt run his 200 m world record?
Sport by Numbers · Plain #25
How many medals were awarded at the Tokyo 2020 Olympics?
Olympics & World Cup · Plain #25
How many first moves does White have in chess?
Everyday Numbers · Plain #25
Which letter is used most in English?
Letters · Plain #25
Which country has the most 3-star Michelin restaurants?
Three Michelin Stars · Plain #24
How many calories are in a Big Mac in the US?
Everyday Numbers · Plain #24
How many days did Apple need to sell its first million iPhones?
Famous Moments · Plain #24
How many Winter Olympics were held from 1924 to 2026?
Olympics & World Cup · Plain #24
How many students are enrolled at Harvard in 2025–26?
Everyday Numbers · Plain #24
How many A380s were delivered to airlines?
Everyday Numbers · Plain #24
Which country had the highest share of electric new cars in 2025?
Electric Cars · Plain #24
Which country has the longest official name?
Official Names · Plain #23
How many countries have won the men’s World Cup?
Olympics & World Cup · Plain #23
How many official time zones does China have?
Planet & Space · Plain #23
How tall is Big Ben’s tower?
Landmarks by Numbers · Plain #23
How many people speak English worldwide, as of 2026?
Books & Words · Plain #23
How heavy is the heaviest watermelon ever grown?
Everyday Numbers · Plain #23
Which capital city has the most skyscrapers (150 m or taller)?
Skyscraper Capitals · Plain #23
Which capital city lies furthest north?
Furthest North · Plain #22
According to the NHS, how many calories does a man need a day?
Body & People · Plain #22
How far is London from Sydney in a straight line?
Planet & Space · Plain #22
How tall is the world’s tallest living tree?
Planet & Space · Plain #22
How many people in the US watched the 2024 Super Bowl on average?
Famous Moments · Plain #22
How many UN members’ official names start with S?
Everyday Numbers · Plain #22
Which social network has the most users?
Social Networks · Plain #22
What is the world’s 10th largest country?
Country Area · Plain #21
How many planets in the Solar System have rings?
Planet & Space · Plain #21
How long is a mile?
Everyday Numbers · Plain #21
How many chickens were there in the world in 2023?
Everyday Numbers · Plain #21
Name the country where people live the longest on average.
Life Expectancy · Plain #21
How many countries and territories had a McDonald’s in 2025?
Everyday Numbers · Plain #21
What’s the Guinness record for going without sleep?
Body & Mind · Plain #21
How high is a football (soccer) goal?
Sport by Numbers · Plain #20
How deep is the Mariana Trench at its deepest point?
Planet & Space · Plain #20
In what year was Bitcoin launched?
Guess the Year · Plain #20
What percentage of the world’s people live in cities (50,000+ people), as of 2025?
Everyday Numbers · Plain #20
What percentage of the world’s people were Muslim in 2020?
Everyday Numbers · Plain #20
In what year did SpongeBob SquarePants first air?
Guess the Year · Plain #19
How old is a 2-year-old cat in human years?
Everyday Numbers · Plain #19
In what year was Harvard founded?
Guess the Year · Plain #19
How many billionaires are there in the world, as of 2026?
Everyday Numbers · Plain #19
What age did the oldest person ever reach?
Body & Mind · Plain #19
How much blood is in an adult’s body?
Body & Mind · Plain #18
How tall can an adult male giraffe grow?
Everyday Numbers · Plain #18
In what year did TikTok launch internationally?
Guess the Year · Plain #18
How much does an adult human brain weigh?
Body & Mind · Plain #18
How many words does a person speak per day on average?
Books & Words · Plain #18
How much sugar is in a 250 ml can of Red Bull?
Everyday Numbers · Plain #17
How tall is the Eiffel Tower today, antennas included?
Landmarks by Numbers · Plain #17
How many squares does a chessboard have?
Sport by Numbers · Plain #17
In what year was the first practical light bulb invented?
Guess the Year · Plain #17
How tall was the tallest human ever recorded?
Body & Mind · Plain #17
How long is one lap of an outdoor athletics track, inside lane?
Sport by Numbers · Plain #16
How many letters are in the longest English dictionary word?
Books & Words · Plain #16
How many degrees does the Leaning Tower of Pisa lean?
Landmarks by Numbers · Plain #16
How many bones are in one human hand, wrist included?
Body & Mind · Plain #16
In what year did Apple first present the iPod?
Guess the Year · Plain #15
How many teeth does an adult usually have, wisdom teeth included?
Body & People · Plain #15
How many minutes does sunlight take to reach Earth?
Planet & Space · Plain #15
How many African countries are UN members, as of 2026?
Everyday Numbers · Plain #15
How many times does the digit 4 appear when you count from 1 to 100?
Everyday Numbers · Plain #15
How many years did Queen Elizabeth II reign?
Famous Moments · Plain #14
How heavy is the heaviest pumpkin ever grown, as of October 2026?
Everyday Numbers · Plain #14
How fast can the fastest bat fly?
Everyday Numbers · Plain #14
How many goals were scored at the 2026 World Cup?
Olympics & World Cup · Plain #14
How long does a pet cat live on average?
Everyday Numbers · Plain #13
In what year was Netflix founded?
Guess the Year · Plain #13
How many people use a mobile phone, as of 2025?
Everyday Numbers · Plain #13
What is the most passengers Airbus says an A380 can carry?
Everyday Numbers · Plain #13
How heavy was the heaviest person ever recorded?
Body & People · Plain #12
How fast was the fastest officially recorded tennis serve?
Sport by Numbers · Plain #12
How long was the Titanic?
Landmarks by Numbers · Plain #12
How far is the world's longest non-stop passenger flight?
Everyday Numbers · Plain #12
In what year was Facebook launched?
Guess the Year · Plain #11
How many sports were at Paris 2024?
Olympics & World Cup · Plain #11
What percentage of Earth’s surface is ocean?
Planet & Space · Plain #11
How many ribs does an adult human have?
Body & Mind · Plain #11
How many keys does a standard US computer keyboard have?
Everyday Numbers · Plain #11
How tall is the Statue of Liberty, ground to torch tip?
Landmarks by Numbers · Plain #10
In what year was the first Harry Potter book published?
Guess the Year · Plain #10
How long is the Earth’s circumference at the equator?
Planet & Space · Plain #10
How long is a FIBA basketball court?
Sport by Numbers · Plain #10
How many times has London hosted the Summer Olympics?
Olympics & World Cup · Plain #9
In what year was Pokémon Go released?
Guess the Year · Plain #9
How high is the net in men’s volleyball?
Sport by Numbers · Plain #9
How many times does an adult’s heart beat per day?
Body & Mind · Plain #9
How many windows does the Empire State Building have?
Landmarks by Numbers · Plain #9
How tall is Mount Everest?
Planet & Space · Plain #9
What is the most Oscars won by a single film, as of 2026?
Famous Moments · Plain #8
What percentage of people are left-handed?
Body & Mind · Plain #8
How high above Earth does the ISS orbit?
Planet & Space · Plain #8
What was the price of the most expensive car ever sold?
What It Sold For · Plain #8
In what year was the first email sent?
Guess the Year · Plain #8
How high is the men’s high jump world record, set in 1993?
Sport by Numbers · Plain #7
What was the price of the most expensive painting ever sold?
What It Sold For · Plain #7
How many member states did the UN have in October 2026?
Everyday Numbers · Plain #7
In what year was Coca-Cola first sold?
Guess the Year · Plain #7
How many people walked on the Moon during Apollo?
Famous Moments · Plain #6
In what year was YouTube founded?
Guess the Year · Plain #6
How many stickers are on a 3×3 Rubik’s Cube?
Everyday Numbers · Plain #6
How long is the Great Wall of China, all sections counted?
Landmarks by Numbers · Plain #6
How many times does the ISS orbit the Earth per day?
Planet & Space · Plain #6
In what year did the first iPhone go on sale?
Guess the Year · Plain #5
How many rooms are in the White House’s main residence?
Landmarks by Numbers · Plain #5
How many searches did Google handle per day in 2025?
Everyday Numbers · Plain #5
How much did the US pay Russia for Alaska?
What It Sold For · Plain #5
How many Olympic gold medals did Michael Phelps win?
Olympics & World Cup · Plain #4
What was the announced price of Facebook’s WhatsApp purchase?
What It Sold For · Plain #4
What percentage of people in the world have blue eyes?
Body & People · Plain #4
How high is a basketball hoop?
Sport by Numbers · Plain #3
How many words are in all seven Harry Potter books?
Books & Words · Plain #3

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