Punjab 9th Class Math Model Paper 1 Mcqs Test Online Punjab 9th Class Math Model Paper 1 Mcqs Test Online 123456789101112131415161718192021222324252627282930Show paginator Hide paginator 3% Question 1 of 30 Loading... Math 1. The Order of Matrix [2 1] is: 2-by-1 1-by-2 2-by-21-by-1 Question 1 of 30Question 2 of 30 Loading... 2. If the number of rows of a matrix is not equal to the number of columns, then the matrix is called: Square matrix Rectangular matrix Scalar matrix Diagonal matrixQuestion 2 of 30Question 3 of 30 Loading... 3. Ad joint of is: ADBCQuestion 3 of 30Question 4 of 30 Loading... 4. Inverse of identity matrix is: Scalar matrix Null matrix Identity matrix Diagonal matrix Question 4 of 30Question 5 of 30 Loading... 5. Ad joint oI is: BADCQuestion 5 of 30Question 6 of 30 Loading... 6. Order of transpose of matrix is:3-by-3 3-by-2 2-by-3 1-by-3Question 6 of 30Question 7 of 30 Loading... 7. is called ………….. matrix:Scalar Singular Unit Zero Question 7 of 30Question 8 of 30 Loading... 8. A matrix having only one row is called: Square matrix Identity matrixRow matrix Column matrix Question 8 of 30Question 9 of 30 Loading... 9. If = 3, then x is equal to:0 2 5 1 Question 9 of 30Question 10 of 30 Loading... 10. In matrix multiplication, in general, AB ………………. BA. ∏ ≠ ‖ = Question 10 of 30Question 11 of 30 Loading... 11. (AB)ᵗ = ……………………….. AB BAAᵗBᵗ BᵗAᵗ Question 11 of 30Question 12 of 30 Loading... 12. Negative of matrix is: BACDQuestion 12 of 30Question 13 of 30 Loading... 13. Inverse of matrix A is equal to: Aᵗ/AdjA AdjA/AᵗAdjA/|A| |A|/AdjA Question 13 of 30Question 14 of 30 Loading... 14. (AB)⁻¹ = …………………………… B⁻¹A⁻¹BAA⁻¹B⁻¹ AB Question 14 of 30Question 15 of 30 Loading... 15. Addition of two matrices is: ADCBQuestion 15 of 30Question 16 of 30 Loading... 16. A matrix is skew-symmetric if: (Aᵗ)ᵗ = A Aᵗ = A Aᵗ = – A (Aᵗ)ᵗ = – A Question 16 of 30Question 17 of 30 Loading... 17. Order of transpose of is:3-by-2 1-by-3 3-by-1 2-by-3 Question 17 of 30Question 18 of 30 Loading... 18. Order of identity (unit) matrix is always equal to: Square matrix Row matrix Rectangular matrix Null matrixQuestion 18 of 30Question 19 of 30 Loading... 19. Product of is: DACBQuestion 19 of 30Question 20 of 30 Loading... 20. If = 0, then x is equal to:– 9 – 6 9 6 Question 20 of 30Question 21 of 30 Loading... 21. Matrix is called:Identity MatrixNull matrix Singular matrix Scalar matrix Question 21 of 30Question 22 of 30 Loading... 22. Which is order of a square matrix? 3-by-22-by-2 1-by-2 2-by-1 Question 22 of 30Question 23 of 30 Loading... 23. Product of [x y] is :[2x + y] [x + 2y][x – 2y] [2x – y] Question 23 of 30Question 24 of 30 Loading... 24. Matrix A + B can be found, if order of A and B is: – 1 Not equal Equal Zero Question 24 of 30Question 25 of 30 Loading... 25. In matrices, (A + B)ᵗ = ? Aᵗ+Bᵗ AᵗBᵗBᵗ+Aᵗ BᵗAᵗ Question 25 of 30Question 26 of 30 Loading... 26. is called …………… matrix: DiagonalUnitScalar Zero Question 26 of 30Question 27 of 30 Loading... 27. Order of Matrix is:1-by-32-by-3 3-by-3 3-by-1 Question 27 of 30Question 28 of 30 Loading... 28. If x + , then x is equal to: ADCBQuestion 28 of 30Question 29 of 30 Loading... 29. If , then a is equal to:6 12 5 Question 29 of 30Question 30 of 30 Loading... 30. If the determinant of a square matrix is equal to zero, then it is called: Identity matrixDiagonal matrix Singular matrix Non-singular matrix Question 30 of 30 Loading... Test By Subject Punjab Test By Topics 9th Class Math You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.