MathAndMind.com!

✕

Subscribe to our free newsletter!

You will be receiving:

fun arithmetic facts
latest Math news and interesting articles
engaging games to polish your Math skills

Simply enter your email in the field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

If you do not wish to provide your email address, you can always subscribe to push notifications

Join the push notifications

Enter your email

play
puzzles
articles
about

about
puzzles
articles
play

play
articles
about

Incorrect

Explanation

The correct answer is 579 pages.

Solve this puzzle

She filed for divorce from Brad Pitt in 2016.

Kendall Jenner Gwyneth Paltrow Angelina Jolie Jennifer Aniston

Is the Birthday Problem Really a Problem?

Imagine that there are 23 persons filling in their job application forms. What are the chances of two people having something in common? In fact, there is a 50 percent probability that two of them share the same birthday!

MathAndMind is an online math game where you get an opportunity to solve 10 math tasks every day. Every correct
answer earns you 1 point. Your goal is to score as many points as
possible and become a Math champion!
Remember, though: you can’t use a calculator while playing! We’re waiting for your visit!

Articles Privacy About Contact Subscriptions

Join us on Facebook

Copyright© 2025 mathandmind.com