Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

A recent paper set the fastest record for multiplying two matrices. But it also marks the end of the line for a method researchers have relied on for decades to make improvements. For computer ...

The important questions for CBSE Class 12 are curated carefully based on past exam patterns, high-weightage chapters, and the latest sample papers. These questions help students practise concepts that ...