CBSE Class 12 Mathematics 2026 Main Paper 65/1/1 · Q21 Marksmatrices CBSE Class 12 Mathematics 2026 Main Paper 65/1/1 · Question 2 (Matrices) Which of the following cannot be the order of a row-matrix? (A) 2 × 1(B) 1 × 2(C) 1 × 1(D) 1 × n