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Class 12 Mathematics — Chapter 3: Matrices
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Mathematics, Chapter 3 (Matrices). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Order of matrix with 2 rows, 3 columns:
A.2 × 3✓ correct
B.3 × 2
C.6
D.5
Why
rows × cols.
Q2Medium
For AB to be defined, columns of A must equal:
A.Rows of B✓ correct
B.Columns of B
C.Rows of A
D.Determinant
Why
(m×n)(n×p) → m×p.
Q3Hard
Symmetric matrix:
A.A' = A✓ correct
B.A' = −A
C.A·A' = 0
D.A = 0
Why
Skew-symmetric: A' = −A.
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