Mathematical methods for economics - class-XI

mathematical methods for economics

24 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

_________ is the largest number which when divides $100$ and $83$ leaves a remainder of $4$ and $3$ in each case.

  1. $14$
  2. $12$
  3. $16$
  4. $20$
Question 2 Multiple Choice (Single Answer)

$Qd = f (Px)$ is __________________.

  1. demand function
  2. supply function
  3. price function
  4. cost function
Question 3 Multiple Choice (Single Answer)

Which ratio explains that how much portion of earning is distributed in the form of dividend?

  1. Equity-Debt Ratio
  2. Pay-out Ratio
  3. Earning Yield Ratio
  4. Dividend-Debt Ratio
Question 4 Multiple Choice (Single Answer)

Matrix is a singular while matrices is a plural form.

  1. True
  2. False
Question 5 Multiple Choice (Single Answer)

Mathematical Economics is the integration of _________________.

  1. Graphs and Economics
  2. Mathematics and Economics
  3. Economics and Equations
  4. Economics and Statistics
Question 6 Multiple Choice (Single Answer)

While evaluating CA CPT papers an examiner has escaped the marks of one of the student while calculating the result summary of his class. However he knew that the average marks of the class was $72%$ and the marks of the remaining students were $56, 85, 78, 70, 75, 48, 65, 85$ and $75$. The marks of the student were __________.

  1. $83$
  2. $82$
  3. $79$
  4. $81$
Question 7 Multiple Choice (Single Answer)

What is the class mark of the class interval $(50-60)$?

  1. $50$
  2. $55$
  3. $60$
  4. $62.5$
Question 8 Multiple Choice (Single Answer)

A statement of relationship between two quantities is called a/an ____________.

  1. formula
  2. relationship
  3. equation
  4. sum
Question 9 Multiple Choice (Single Answer)

Find the value of K if $\sqrt{9^4}X\sqrt{3^5}=3k$.

  1. $2/13$
  2. $13/2$
  3. $1/13$
  4. $4/5$
Question 10 Multiple Choice (Single Answer)

From the following details calculate Fisher Ideal index

  1. 88
  2. 90
  3. 92
  4. 93
Question 11 Multiple Choice (Single Answer)

Find the co-efficient of mean deviation from Median from the following data.Median deviation =4.2,Median =21

  1. 0.3
  2. 0.20
  3. 0.25
  4. 0.22
Question 12 Multiple Choice (Single Answer)

If x(x-2) = 5 then (x - 5/x) is =

  1. -1
  2. 0
  3. 1
  4. 2
Question 13 Multiple Choice (Single Answer)

$Log4^{64}$is equal to

  1. 2
  2. 3
  3. 4
  4. 5
Question 14 Multiple Choice (Single Answer)

Rank of 4th deciles is equal to __________

  1. (n+1)/10
  2. 4(n+1)/10
  3. n/10
  4. (n+1)/4
Question 15 Multiple Choice (Single Answer)

If $3X^2+6X+3=0,$ then the roots of the equations are

  1. $(3,3)$
  2. $(-1,1)$
  3. $(2,4)$
  4. $(4,1)$
Question 16 Multiple Choice (Single Answer)

How many percentiles are there in a distribution

  1. 99
  2. 10
  3. 100
  4. 101
Question 17 Multiple Choice (Single Answer)

Under Free Trade regime there is ____________.

  1. increase in domestic prices
  2. fall in economic welfare
  3. equalization of factor prices
  4. loss of domestic industries
Question 18 Multiple Choice (Single Answer)

The age of son and father is in the ratio of 3:7, if the age of the father is 42, the age of the son will be___

  1. 21 years
  2. 24 years
  3. 18 years
  4. 20 years
Question 19 Multiple Choice (Single Answer)

If Median is 11, Mean is 10, what is Mode

  1. 13
  2. 12
  3. 11
  4. 10
Question 20 Multiple Choice (Single Answer)

The number of ways the letter SCHOLAR can be arranged so that LR never come together are .

  1. 5,040
  2. 3,600
  3. 4,404
  4. 3,910
Question 21 Multiple Choice (Single Answer)

The median value for the series $3,5,5,2,6,2,9,5,8,6$ is  

  1. 5.5
  2. 5
  3. 6.1
  4. 6.2
Question 22 Multiple Choice (Single Answer)

If the regression coefficient of $x$ on $y$ is $0.64$ and that of $y$ on $x$ is $1$. Find the value of correlation coefficient between $x$ and $y$. 

  1. -0.5
  2. 0.57
  3. 0.8
  4. none
Question 23 Multiple Choice (Single Answer)

 A speaks truth 6 out of 10 and B speaks truth 8 out of 10 times. What is the probability of both telling lie

  1. .44
  2. .55
  3. .48
  4. .08
Question 24 Multiple Choice (Single Answer)

A has three children in his family, the probability of all the children being a girl child is _____

  1. $\dfrac{1}{2}$
  2. $\dfrac{1}{3}$
  3. $\dfrac{1}{8}$
  4. $\dfrac{3}{8}$