🧠 Trivia · October 15, 2026
How Smart Are You? 🧠🌍💡 50 General Knowledge Questions | Easy to Impossible
The "How Smart Are You?" video on Quiz Zoomies has 50 general knowledge questions across 4 levels (13 easy, 13 medium, 12 hard and 12 impossible). How smart are you? 50 general knowledge questions from Easy to Impossible: geography, animals, space, science, art and history. You have 10 seconds for each one. It is part of the channel's trivia series and works for families, classrooms and quiz fans of every age. Watch it above, tap any question below to reveal its answer, or play it yourself on the General Knowledge Quiz page and keep your score.
Chapters
All 50 questions and answers
Numbered as in the video. Tap "Show answer" under a question, or reveal a whole level at once.
Easy (1 to 13)
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How many continents are there on Earth?
Show answer
7
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How many colors are in a rainbow?
Show answer
7
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Which insect makes honey?
Show answer
Bee
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What is the closest star to Earth?
Show answer
The Sun
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Which animal has black and white stripes?
Show answer
Zebra
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What do we call frozen water?
Show answer
Ice
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In which city is the Eiffel Tower?
Show answer
Paris
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Which country do giant pandas come from?
Show answer
China
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Which animal is called the king of the jungle?
Show answer
Lion
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What is the largest ocean on Earth?
Show answer
Pacific
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How many hours are in one day?
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24
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Which of these birds cannot fly: Eagle, Owl, Parrot or Penguin?
Show answer
Penguin
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What color do you get by mixing red and white?
Show answer
Pink
Medium (14 to 26)
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What is the largest country in the world?
Show answer
Russia
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Which planet is known as the Red Planet?
Show answer
Mars
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How many arms does an octopus have?
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8
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What is the largest hot desert in the world?
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Sahara
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What is the hardest natural material?
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Diamond
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Which country gave the Statue of Liberty to the USA?
Show answer
France
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Who painted the Mona Lisa?
Show answer
Da Vinci
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Kangaroos come from which country?
Show answer
Australia
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What is H₂O better known as?
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Water
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What is the tallest mountain in the world?
Show answer
Mount Everest
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What is the largest animal on Earth?
Show answer
Blue whale
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How many players does a soccer team have on the field?
Show answer
11
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In which country is Mount Fuji?
Show answer
Japan
Hard (27 to 38)
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How many bones are in the adult human body?
Show answer
206
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How many keys does a standard piano have?
Show answer
88
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What is the chemical symbol for gold?
Show answer
Au
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What is the capital city of Australia?
Show answer
Canberra
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Which is the only mammal that can truly fly?
Show answer
Bat
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In which country were the first Olympic Games held?
Show answer
Greece
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What is the hottest planet in our solar system?
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Venus
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How many degrees are in a full circle?
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360
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Who wrote Romeo and Juliet?
Show answer
Shakespeare
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Which metal is liquid at room temperature?
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Mercury
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Easter Island belongs to which country?
Show answer
Chile
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How many teeth does an adult human usually have?
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32
Impossible (39 to 50)
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What is the smallest country in the world?
Show answer
Vatican City
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Which gas makes up most of the air we breathe?
Show answer
Nitrogen
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What makes flamingos pink?
Show answer
Their food
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How long does sunlight take to reach Earth?
Show answer
About 8 minutes
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How many strings does a violin have?
Show answer
4
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How long is an elephant pregnant?
Show answer
22 months
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Which language has the most native speakers?
Show answer
Mandarin
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What is the center of an atom called?
Show answer
Nucleus
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Opposite sides of a dice always add up to what?
Show answer
7
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How many seconds are in one hour?
Show answer
3,600
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How many bones are in a giraffe's neck?
Show answer
7
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Which planet spins on its side?
Show answer
Uranus
The Shorts (8)
The video is also cut into 8 vertical Shorts, a few questions each, so you can play one level on your phone.
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Frequently asked questions
How many questions are in the "How Smart Are You?" video?
There are 50 general knowledge questions: 13 easy, 13 medium, 12 hard and 12 impossible. The full video runs about 14 minutes, with 10 seconds to answer each one. Every question and answer is listed on this page.
Is the "How Smart Are You?" video good for kids?
Yes. This video is family-friendly and fine for kids to watch with family or in class. On YouTube it is published for a general audience rather than marked as made for kids, because the levels climb from easy questions to impossible ones that challenge adults too.
Where can I play this quiz myself?
Play it right here on quizzoomies.com: the General Knowledge Quiz page (https://quizzoomies.com/quizzes/general-knowledge-quiz/) lets you answer the same kind of questions with a score, free and with no sign-up. You can also watch the video on YouTube and pause before each answer.