Economics Quantitative Methods For Economic Analysis I Set 1
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This set of Economics Quantitative Methods for Economic Analysis-I Multiple Choice Questions & Answers (MCQs) focuses on Economics Quantitative Methods For Economic Analysis I Set 1
Q1 | 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?
- 2x + y = 100
- 2x + 2y = 100
- 2x + y = 200
- x + y = 100
Q2 | Which of the following is not a type of matrix?
- square matrix
- scalar matrix
- trace matrix
- term matrix
Q3 | Multiplication of a matrix with a scalar constant is called?
- complex multiplication
- linear multiplication
- scalar multiplication
- constant multiplication
Q4 | The concept of Eigen values and vectors is applicable to?
- scalar matrix
- identity matrix
- upper triangular matrix
- square matrix
Q5 | Singular matrix are?
- non-invertible
- invertible
- both non-invertible and invertible
- none of the above
Q6 | Determinant value of a singular Matrix
- 0
- not equal to 0
- any value
- none of the above
Q7 | The matrix which is the sum of all the diagonal elements of a square matrix?
- diagonal matrix
- trace matrix
- identity matrix
- both a and b
Q8 | _______________ is equal to the maximum number of linearly independent rowvectors in a matrix.
- row matrix
- rank of a matrix
- term matrix
- linear matrix
Q9 | Vectors whose direction remains unchanged even after applying linear transformationwith the matrix are called?
- eigen values
- eigenvectors
- cofactor matrix
- minor of a matrix
Q10 | Singular Value Decomposition is some sort of generalization of _______ decomposition.
- singular
- eigen vector
- eigen value
- none of the above
Q11 | The cofactor is always preceded by a?
- positive (+) sign
- negative (-) sign
- positive (+) or negative (-) sign
- with decimal
Q12 | What is symmetric Matrix?
- ≠
- 0
- both a and b
- none of the above
Q13 | What is the transpose of cofactor matrix?
- inverse matrix
- singular matrix
- non singular matrix
- ad joint of a matrix
Q14 | Rank of a matrix
- highest non negative minor
- highest negative minor
- both a and b
- highest non zero minor
Q15 | f(x) = 3x3 - 4x2 + 10 implies
- f (1) = 10
- f \(x) = 9x2 - 8x + 10
- f \\(x) = 18x – 8
- f \(2) = 20
Q16 | f (x) = 1og x , F’(x) =
- 2x
- 1/2x
- 1/x
- x
Q17 | Slop of total cost curve equal to
- mr
- mc
- ar
- ac
Q18 | What is the value of elasticity of demand when MR is equal to zero?
- 1
- 0
- -1
- 4
Q19 | When cross elasticity of demand is positive value, what are the types of goods they are?
- substitute goods
- complimentary good
- normal good
- inferior good
Q20 | ---------------------------- is the relationship between slope of demand curve andelasticity of demand?
- inverse relationship
- positive relationship
- proportional relationship
- none of the above
Q21 | 0
- 5
- 15
- -5
- -15
Q22 | ∫ + 3 =
- + 3
- + c
- + 3 +
- + 3
Q23 | Q= 24-2p what is the consumer surplus at p= 5
- 20
- 25
- 23
- 24