CBSE 2024-25 Competency Based Questions With Answers: To improve conceptual understanding in students, the Central Board of Secondary Education (CBSE) has designed competency‐based assessments for ...

The original version of this story appeared in Quanta Magazine. The simplest ideas in mathematics can also be the most perplexing. Take addition. It’s a straightforward operation: One of the first ...

Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...