## 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

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
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