Can you figure out easy-looking math sum in 30 seconds by remembering the special rule?

The answer to this mathematical brain teaser is NOT 40 - can YOU solve it in 30 seconds by remembering the special rule?
Edutopia

4 Ways to Bring Logic Puzzles Into Your Math Class

Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...
jagranjosh.com

Assam Police Forester Grade 1 Syllabus 2026: Check Subject-Wise Topics and Exam Pattern Here

Assam Police Forester Grade 1 Syllabus 2026: Candidates who are aiming for the Forester Grade I post in Assam Police must have a clear understanding of the Assam Police Forester Grade 1 Syllabus and ...
Yahoo News Canada

Parents give failing grade to 1-minute school drop-off rule

Add Yahoo as a preferred source to see more of our stories on Google. In the hopes of easing congestion, Winnipeg Coun. Markus Chambers is calling for citywide standards for drop-off and pick-up zones ...
Hosted on MSN

Why math accepts a rule that creates impossible objects

There is a rule in mathematics that feels so obvious it barely seems worth stating. Yet accepting it leads to objects with no size, spheres that duplicate themselves, and sets that cannot be measured ...
CNBC

Early retirees may be ‘cheating themselves,’ says 4% rule creator—they can likely withdraw more money each year

There's no one right way to retire early. Some people manage to sell a business for a huge sum while others build passive income streams that allow them to leave their 9-to-5. Many adherents to the ...
Investopedia

Retiring Next Year? Use This Withdrawal Rate Instead of The 4% Rule, New Report Finds

Trina Paul is a Breaking News and Personal Finance Writer at Investopedia, covering topics like retirement, consumer debt, and retail investing. She focuses on making complex financial topics ...
The Motley Fool

Will the 4% Rule Work for You in Retirement? Ask Yourself These Questions to Find Out.

The 4% rule is a popular retirement savings withdrawal strategy. It has you taking out 4% of your portfolio your first year of retirement and adjusting future withdrawals for inflation. While this ...
The Motley Fool

The Famous 4% Rule for Retirement Doesn't Work for Me. Here's Why -- and What I Plan to Do Instead

The 4% rule is a strategy designed to help your retirement nest egg last. It has you withdrawing 4% of your savings your first year of retirement and adjusting future withdrawals for inflation. The 4% ...
New York Post

College kids’ math skills worse than ever, California finds — blame our pass-the-buck public schools

The University of California at San Diego reported that students with below middle-school level math skills increased by "nearly thirtyfold" from 2020 to 2025. NuPenDekDee - stock.adobe.com What ...
The Economist

The 10-4 rule for interacting with customers

Target is an American retailer that has been in the doldrums recently. In an attempt to improve the experience that customers have in its stores, it is instituting a new programme known as “10-4”. If ...