Mathematics FA Part 1 Online Test With Answers

Mathematics FA Part 1 Online Test

Sr. # Questions Answers Choice
1 If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree: m . n m - n m + n m × n
2 If 4x = 2, then x equals: 2 1
3 Which one is exponential equation: ax<sup>2</sup> + bx + c = 0 ax + b = 0 2<sup>x</sup> = 16
4 Which one is radical equation: ax<sup>2</sup> + bx + c ax + b = 0 2<sup>x</sup> = 16
5 c = 0 b = 0, c = 0
6 Solution set of the equation x2 - 3x + 2 = 0 is {-1, 2} {1, -2} {-1, -2} {1, 2}
7 The other name of quadratic equation is: linear equation 1st degree equation 2nd degree equation none
8 No. of ways of solving a quadratic equation: 1 3 2 4
9 The trivial solution of the homogeneous linear equations is: (1, 0, 0) (0, 1, 0) (0, 0, 1) (0, 0, 0)
10 If a matrix A is symmetric as well as skew symmetric, then: A is null matrix A is unit matrix A is triangular matrix A is diagonal matrix
11 scalar matrix diagonalmatrix triangularmatrix none of these
12 scalarmatrix diagonalmatrix lower triangularmatrix uppertriangularmatrix
13 scalar matrix diagonalmatrix lower triangularmatrix upper triangularmatrix
14 If A is a square matrix, then: |A<sup>t</sup>| = A |A<sup>t</sup>| = -A |A<sup>t</sup>| = |A| A<sup>t</sup>= A
15 If any two rows of a square matrix are interchanged, the determinant of the resulting matrix: is zero is multiplicative inverse of the determinant of the original matrix is additive inverse of the determinant the original matrix none of these
16 If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is: 0 1 -1 none of these
17 9 -9 -6 none
18 3 -3 1/3 -1/3
19 If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is: 0 1 -1 ±1
20 5 14 20 6
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