**Samacheer Kalvi 11th Economics – Chapter 12: Mathematical Methods for Economics Book Back Answers**

Samacheer Kalvi 11th Standard New Economics Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Tamil Nadu **Class 11 New Syllabus Economics**** – Mathematical Methods for Economics Book Back Solutions **2022 available for English medium students. TN Samacheer Kalvi 11th Std Economics book back portion consists of 12 chapters. Check Chapter-wise and Full **Class 11th Economics Book Back Answers/ Guide 2022 PDF** format for free download. Samacheer Kalvi 11th Economics Chapter 12 Mathematical Methods for Economics Book Back English Medium answers below:

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**11th Samacheer Books Economics Book Back Answers PDF in English:**

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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 **

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