How Smart Are You Really? This Trivia Quiz Reveals the Truth

Put your intellect to the test with 20 smart trivia questions across science, culture, and logic. Are you a true brainiac?

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Do you have what it takes to be considered a true intellectual? This quiz isn't your average trivia—you’ll be diving into questions that span logic, history, science, language, art, and beyond. Whether you consider yourself a human encyclopedia or just someone who loves to learn, this challenge is designed to truly measure how smart you really are.

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Some of these questions may seem simple, but don’t be fooled. Every one has been carefully chosen to test not just memory, but reasoning, awareness, and lateral thinking. From obscure facts about planets and human biology to moments that shaped global history, this quiz is packed with 20 chances to show what you know—and maybe surprise yourself.

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If you ace it, you’ve got some serious brainpower. But even if you don’t, you’ll walk away a little wiser. So take a breath, dig deep, and see how you measure up when it comes to real-world smarts.

Which gas is most abundant in Earth’s atmosphere?

Oxygen Nitrogen Carbon Dioxide Hydrogen

Which Shakespeare play features the line 'To be, or not to be'?

Hamlet Macbeth Othello Romeo and Juliet

Which country invented paper?

Greece China Egypt India

The Mississippi River flows through which city?

London, UK Sydney, Australia New Orleans, Louisiana, U.S.Tampa, Florida, U.S.

Which blood type is universal donor?

O Negative A Negative O Positive AB Negative

Which of these words can be traced back to an Arabic word for “dice”?

Hazard Luck Wealth Win