Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...

A long-standing puzzle seems to constrain how addition and multiplication relate to each other. A graduate student has gone further than anyone else in establishing the connection. In 1983 the ...

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 ...