Mathematics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is	Same as the original determinant <div>Additive inverse of the original determinant</div> Both A and B Adj of the original matrix
2	In general matrices do not satisfy	Commutative law w.r.t multiplication Associative law w.r.t addition Distributive law w.r.t addition Multiplication of a scalar with the matrix
3	If A and B are matrices of same order than (,A + B)(A + B) =	A<sup>2</sup>+ B<sup>2</sup> A<sup>2</sup>+ B<sup>2</sup>+ 2AB A + B A<sup>2</sup>+ B<sup>2</sup>+ AB + BA
4		Unit matrix Diagonal matrix Nilpotent matrix Zero matrix
5		Nilpotent matrix Singular matrix Non singular matrix Diagonal matrix

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