Samacheer Kalvi 11th Economics – Chapter 12: Mathematical Methods for Economics Book Back Answers
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11th Economics – Chapter 12: Mathematical Methods for Economics Book Back Answers
I. Choose the best answers:
1. Mathematical Economics is the integration of
a. Mathematics and Economics
b. Economics and Statistics
c. Economics and Equations
d. Graphs and Economics
2. The construction of a demand line or a supply line is the result of using
a. Matrices
b. Calculus
c. Algebra
d. Analytical Geometry
3. The first person used the mathematics in Economics is
a. Sir William Petty
b. Giovanni Ceva
c. Adam Smith
d. Irving Fisher
4. Function with the single independent variable is known as
a. Multivariate Function
b. Bivariate Function
c Univariate Function
d. Polynomial Function
5. A statement of equality between two quantities is called
a. Inequality
b. Equality
c. Equations
d. Functions
6. An incremental change in dependent variable with respect to change in independent variable is known as
a. Slope
b. Intercept
c. Variant
d. Constant
7. (y – y1) = m(x – x1) gives the
a. Slope
b. Straight line
c. Constant
d. Curve
8. Suppose D = 50 – 5P. When D is zero then
a. P is 10
b. P is 20
c. P is 5
d. P is -10
9. Suppose D = 150 – 50P. Then, the slope is
a. -5
b. 50
c. 5
d. -50
10. Suppose determinant of a matrix then the solution
a. Exists
b. Does not exist
c. is infinity
d. is zero
11. State of rest is a point termed as
a. Equilibrium
b. Non-Equilibrium
c. Minimum Point
d. Maximum Point
12. Differentiation of constant term gives
a. one
b. zero
c. infinity
d. non-infinity
13. Differentiation of xn is
a. nx(n-1)
b. n x (n+1)
c. zero
d. one
14. Fixed Cost is the ———–term in cost function represented in mathematical form.
a. Middle
b. Price
c. Quantity
d. Constant
15. The first differentiation of Total Revenue function gives
a. Average Revenue
b. Profit
c. Marginal Revenue
d. Zero
16. The elasticity of demand is the ratio of
a. Marginal demand function and Revenue function
b. Marginal demand function to Average demand function
c. Fixed and variable revenues
d. Marginal Demand function and Total demand function
17. If x+y = 5 and x-y= 3 then, Value of x
a. 4
b. 3
c. 16
d. 8
18. Integration is the reverse process of
a. Difference
b. Mixing
c. Amalgamation
d. Differentiation
19. Data processing is done by
a. PC alone
b. Calculator alone
c. Both PC and Calculator
d. Pen drive
20. The command Ctrl + M is applied for
a. Saving
b. Copying
c. getting new slide
d. deleting a slide
Other Important Links for 11th Samacheer Kalvi Book Back:
For Chapter 1 Introduction To Micro-Economics Book Back Click Here – Chapter 1 Introduction To Micro-Economics Book Back
Click Here for Complete 11th Samacheer kalvi economics book back Answers PDF, Check the link – Samacheer Kalvi 11th Economics Book Back Answers