When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...

How many triangles can you count in this image? It’s harder than it looks and bound to baffle even the sharpest of brains for ...

Access the comprehensive CBSE Class 10 Maths deleted syllabus for 2025-26. Find out which topics have been removed to ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...