[{"id":19743,"question":"The two consecutive positive integers whose product is 56 are","choices":[{"text":"7, 8","value":"A"},{"text":"14, 4","value":"B"},{"text":"28, 2","value":"C"},{"text":"56, 1","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":19742,"question":"The sum of the ages of Nazish and his son is 56 years. Eight years ago. Nazish was 3 time as old as his son. How old is the son now?","choices":[{"text":"m = n","value":"A"},{"text":"m&nbsp;≠ n","value":"B"},{"text":"mn = 1","value":"C"},{"text":"mn = 0","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":19741,"question":"The number of real roots in cube roots of 8 is ?","choices":[{"text":"n x m","value":"A"},{"text":"m x n","value":"B"},{"text":"km x n","value":"C"},{"text":"m x kn","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":19740,"question":"ω<sup>n</sup> = ?, when n = 3k","choices":[{"text":"0","value":"A"},{"text":"ω","value":"B"},{"text":"1","value":"C"},{"text":"1 /&nbsp;ω","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":19739,"question":"ω<sup>88</sup> = ?","choices":[{"text":"A and B are multiplicative inverse of each other","value":"A"},{"text":"A and B are additive inverses of each other","value":"B"},{"text":"A and B are singular matrices","value":"C"},{"text":"A and B are equal","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":19738,"question":"The length of rectangle is twice as much as its breadth. If the perimeter is 120 cm, the length of the rectangle is","choices":[{"text":"Same as the original determinant","value":"A"},{"text":"Additive inverse of the original determinant","value":"B"},{"text":"Both A and B","value":"C"},{"text":"Adj of the original matrix","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":19737,"question":"Two natural numbers whose sum is 25 and difference is 5, are","choices":[{"text":"25, 20","value":"A"},{"text":"20, 10","value":"B"},{"text":"20, 5","value":"C"},{"text":"15, 10","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":19736,"question":"If the sum of the roots of (a + 1)x<sup>2</sup> + (2a + 3)x + (3a + 4) = 0 is -1, then product of the roots is","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":19735,"question":"The value of the polynomial 3x<sup>3</sup> + 4x<sup>2</sup> - 5x + 4 at x = -1 is","choices":[{"text":"A<sup>2</sup> + B<sup>2</sup>","value":"A"},{"text":"A<sup>2</sup>&nbsp;+ 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":19734,"question":"Complex roots of real quadratic equation occur in","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}]