Top 50+ Solved Economics Quantitative Methods for Economic Analysis-I MCQ Questions Answer
Q. Suppose that price of 2 ball and 1 bat is 100 units, then What will be representation ofproblems in Linear Algebra in the form of x and y?
a. 2x + y = 100
b. 2x + 2y = 100
c. 2x + y = 200
d. x + y = 100
Q. Which of the following is not a type of matrix?
a. square matrix
b. scalar matrix
c. trace matrix
d. term matrix
Q. Multiplication of a matrix with a scalar constant is called?
a. complex multiplication
b. linear multiplication
c. scalar multiplication
d. constant multiplication
Q. The concept of Eigen values and vectors is applicable to?
a. scalar matrix
b. identity matrix
c. upper triangular matrix
d. square matrix
Q. Singular matrix are?
a. non-invertible
b. invertible
c. both non-invertible and invertible
d. none of the above
Q. The matrix which is the sum of all the diagonal elements of a square matrix?
a. diagonal matrix
b. trace matrix
c. identity matrix
d. both a and b
Q. _______________ is equal to the maximum number of linearly independent rowvectors in a matrix.
a. row matrix
b. rank of a matrix
c. term matrix
d. linear matrix
Q. Vectors whose direction remains unchanged even after applying linear transformationwith the matrix are called?
a. eigen values
b. eigenvectors
c. cofactor matrix
d. minor of a matrix
Q. Singular Value Decomposition is some sort of generalization of _______ decomposition.
a. singular
b. eigen vector
c. eigen value
d. none of the above
Q. The cofactor is always preceded by a?
a. positive (+) sign
b. negative (-) sign
c. positive (+) or negative (-) sign
d. with decimal
Q. What is the transpose of cofactor matrix?
a. inverse matrix
b. singular matrix
c. non singular matrix
d. ad joint of a matrix
Q. Rank of a matrix
a. highest non negative minor
b. highest negative minor
c. both a and b
d. highest non zero minor
Q. f(x) = 3x3 - 4x2 + 10 implies
a. f (1) = 10
b. f \(x) = 9x2 - 8x + 10
c. f \\(x) = 18x â 8
d. f \(2) = 20