Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

The National Institute of Open Schooling (NIOS) has released the updated Class 12 syllabus for the 2025-26 academic year, a critical resource for all students preparing for the upcoming examinations.

CBSE Class 12 Syllabus 2025-26: This article provides the CBSE syllabus for the new academic session of Class 12 syllabus for the 2025–2026 school year. The syllabus provides a detailed summary of the ...

With the CBSE Class 12 Math exam on March 9, 2026, approaching, students are urged to focus on conceptual clarity and smart revision. Teachers emphasize mastering calculus, core algebra, vectors, and ...