General Knowledge / Brainiac Check: Test Your Knowledge!
Think you're smarter than 90% of people? Challenge yourself with these mind-bending questions that only true brainiacs can answer!
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5 questions · Quick play · Instant results
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: Which sense can humans detect fastest?
Sight
Touch
Smell
Hearing
Question 2: What is the only metal that is liquid at room temperature?
Gallium
Mercury
Lead
Cesium
Question 3: What is the only mammal that cannot jump?
Elephant
Hippo
Sloth
Rhinoceros
Question 4: Which planet in our solar system spins clockwise?
Mars
Venus
Uranus
Mercury
Question 5: What percentage of our body's energy is used by our brain?
10%
20%
5%
15%