Number Facts Quiz
1 / 15Interesting numerical facts and figures
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
How many bones are in the adult human body?
About Number Facts Quiz
Interesting numerical facts and figures Number Facts Quiz packs 15 multiple-choice questions aimed at mixed difficulty into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.
A few sample questions
1. How many bones are in the adult human body?
Answer: 206
2. How many teeth does a typical adult human have?
Answer: 32
3. How many keys are on a standard piano?
Answer: 88
4. How many stripes are on the American flag?
Answer: 13
5. How many planets are in our solar system?
Answer: 8
Frequently asked questions
Is Number Facts Quiz free to play?
Yes. The entire SeniorBrainGames catalog — including Number Facts Quiz — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Number Facts Quiz take?
Most players finish Number Facts Quiz in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Number Facts Quiz?
If you enjoyed this memory games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
Can I print Number Facts Quiz?
Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.
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