[{"id":146194,"question":"<div>If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is</div>","choices":[{"text":"Same as the original determinant","value":"A"},{"text":"<div>Additive inverse of the original determinant</div>","value":"B"},{"text":"Both A and B","value":"C"},{"text":"Adj of the original matrix","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":146193,"question":"In general matrices do not satisfy","choices":[{"text":"Commutative law w.r.t multiplication","value":"A"},{"text":"Associative law w.r.t addition","value":"B"},{"text":"Distributive law w.r.t addition","value":"C"},{"text":"Multiplication of a scalar with the matrix","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":146192,"question":"<div>If A and B are matrices of same order than (,A + B)(A + B) =</div>","choices":[{"text":"A<sup>2</sup>+ B<sup>2</sup>","value":"A"},{"text":"A<sup>2</sup>+ B<sup>2</sup>+ 2AB","value":"B"},{"text":"A + B","value":"C"},{"text":"A<sup>2</sup>+ B<sup>2</sup>+ AB + BA","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":146191,"question":"","questionImage":"146191_636438594457537062-RQ.jpg","choices":[{"text":"Unit matrix","value":"A"},{"text":"Diagonal matrix","value":"B"},{"text":"Nilpotent matrix","value":"C"},{"text":"Zero matrix","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":146190,"question":"","questionImage":"146190_636438583440633302-RQ.jpg","choices":[{"text":"Nilpotent matrix","value":"A"},{"text":"Singular matrix","value":"B"},{"text":"Non singular matrix","value":"C"},{"text":"Diagonal matrix","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":146189,"question":"<div>Two matrices A and B are conformable</div><div>for multiplication (AB) if and only if</div>","questionImage":"146189_636438582658850965-RQ.jpg","choices":[{"text":"<div>Both A,B have the same number of columns</div>","value":"A"},{"text":"<div>Both A and B do not have the same order</div>","value":"B"},{"text":"<div>Number of col A is same as number of rows of B</div>","value":"C"},{"text":"<div>Number of rows of A is same as number of col of B</div>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":146188,"question":"The multiplicative inverse of -1 in the set {1-, 1} is","choices":[{"text":"1","value":"A"},{"text":"-1","value":"B"},{"text":"<u>+</u>1","value":"C"},{"text":"0","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":146187,"question":"The set of complex numbers forms a group under the binary operation of","choices":[{"text":"Addition","value":"A"},{"text":"Multiplication","value":"B"},{"text":"Division","value":"C"},{"text":"Subtraction","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":146186,"question":"The graph of a quadratic function is","choices":[{"text":"Circle","value":"A"},{"text":"Ellipse","value":"B"},{"text":"Parabola","value":"C"},{"text":"Hexagon","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":146185,"question":"The set of the first elements of the ordered pairs forming a relation is called its","choices":[{"text":"Function on B","value":"A"},{"text":"Range","value":"B"},{"text":"Domain","value":"C"},{"text":"A into B","value":"D"},{"value":"E"}],"correctAnswer":3}]