40 verified questions · ~60 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
If [[2x + 1, 4x], [y + 3, 2y − 5]] = [[x + 2, 4], [7, 3]], then the values of x and y are:
If the order of matrix A is 4 × 3, order of matrix B is 4 × 5 and order of matrix C is 5 × 3, then the order of matrix (B·C)A' is:
Answers are revealed after you attempt — that's what makes the diagnosis honest.