FOOD FOR THOUGHT


Brainteaser

The Perfect Square Dilemma. If you take my number, divide it by 4, and then add 7, you get a perfect square. If you take the same number, divide it by 7, and then add 4, you also get a perfect square. What is the smallest number that satisfies these conditions?

Want to read this article?

Subscribe to access Deep Dive articles, book reviews, podcasts, Ask the Founder, and access to our members-only forum.

Become a Member

Already a subscriber? Sign in