Online NAT IE Pre Engineering Mathematics Test Preparation for Pakistani Students

NAT I Engineering Mathematics

Sr. #	Questions	Answers Choice
1	The two consecutive positive integers whose product is 56 are	7, 8 14, 4 28, 2 56, 1
2	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?	m = n m ≠ n mn = 1 mn = 0
3	The number of real roots in cube roots of 8 is ?	n x m m x n km x n m x kn
4	ωⁿ = ?, when n = 3k	0 ω 1 1 / ω
5	ω⁸⁸ = ?	A and B are multiplicative inverse of each other A and B are additive inverses of each other A and B are singular matrices A and B are equal
6	The length of rectangle is twice as much as its breadth. If the perimeter is 120 cm, the length of the rectangle is	Same as the original determinant Additive inverse of the original determinant Both A and B Adj of the original matrix
7	Two natural numbers whose sum is 25 and difference is 5, are	25, 20 20, 10 20, 5 15, 10
8	If the sum of the roots of (a + 1)x² + (2a + 3)x + (3a + 4) = 0 is -1, then product of the roots is	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
9	The value of the polynomial 3x³ + 4x² - 5x + 4 at x = -1 is	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
10	Complex roots of real quadratic equation occur in	Nilpotent matrix Singular matrix Non singular matrix Diagonal matrix