The determinant of a matrix and that of its transpose are

April 30, 2021 by admin

Question:

The determinant of a matrix and that of its transpose are

equal

zero

one

negatively related

Answer» a. equal

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

If the demand facing a monopolist is P = 100 − 10Q and marginal cost is constant at 20, thenthe profit maximizing price and quantity for this monopolist are:

April 30, 2021 by admin

Question:

If the demand facing a monopolist is P = 100 − 10Q and marginal cost is constant at 20, thenthe profit maximizing price and quantity for this monopolist are:

P = 60 and Q = 4

P = 20 and Q = 8

P = 90 and Q = 10

P = 4 and Q = 60

Answer» a. P = 60 and Q = 4

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Given A={a,b,c} and B={a,d,c}, then AUB will be

April 30, 2021 by admin

Question:

Given A={a,b,c} and B={a,d,c}, then AUB will be

a,b,c

a,d,c

c,d,a

a,b,c,d

Answer» d. a,b,c,d

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

In an econometric model, Y = ∞ + βX, ∞ shows,

April 30, 2021 by admin

Question:

In an econometric model, Y = ∞ + βX, ∞ shows,

intercept of the equation

slope of the equation

average value of y for average value of x

rate of change

Answer» a. intercept of the equation

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Which is the most widely used method of calculating correlation?

April 30, 2021 by admin

Question:

Which is the most widely used method of calculating correlation?

scatter diagram

karl pearson’s

charles spearman’s

none of the above

Answer» b. karl pearson’s

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

If Spearman’s co-efficient of rank correlation is equal to one, then:

April 30, 2021 by admin

Question:

If Spearman’s co-efficient of rank correlation is equal to one, then:

all the ‘total variation’ is ‘explained’ by the regression line

the rankings of the two variables partially agree

the rankings of the two variables is totally different

the rankings of the two variables totally agree

Answer» d. the rankings of the two variables totally agree

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Selling cost is a feature of

April 30, 2021 by admin

Question:

Selling cost is a feature of

Monopolistic competition

Perfect competition

Monopoly

Bilateral monopoly

Answer» a. Monopolistic competition

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Which would be an implicit cost for a firm? The cost:

April 30, 2021 by admin

Question:

Which would be an implicit cost for a firm? The cost:

Of worker wages and salaries for the firm.

Paid for leasing a building for the firm.

Paid for production supplies for the firm.

Of wages foregone by the owner of the firm.

Answer» d. Of wages foregone by the owner of the firm.

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Marginal revenue is equal to price for which one of the following types of marketstructure?

April 30, 2021 by admin

Question:

Marginal revenue is equal to price for which one of the following types of marketstructure?

Monopoly

Perfect competition

Monopolistic competition

Oligopoly

Answer» b. Perfect competition

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Which one of the following is roughly equal to national income?

April 30, 2021 by admin

Question:

Which one of the following is roughly equal to national income?

GDP

NNP

GNP

SDP

Answer» b. NNP

Note:

The above multiple-choice question is for all general and Competitive Exams in India.