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 ...

CBSE Class 12 Maths: Chapter-Wise Exam Pattern & Marking Scheme The CBSE Class 12 Mathematics exam is divided into an 80-mark theory paper and a 20-mark internal assessment. The chapter-wise exam ...

CBSE Practical Exam Date Sheet 2026 for Classes 10 and 12 has been announced for regular session schools. The practicals, projects, and internal assessments will be conducted from January 1 to ...