Bachelor of Arts in Economics (BA Economics)

If in a matrix any two rows or columns are identical or proportional or linearly dependent, thedeterminant will be

by
Question:

If in a matrix any two rows or columns are identical or proportional or linearly dependent, thedeterminant will be

A.

equal

B.

zero

C.

unity

D.

infinity

Answer» b. zero

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

A firm is able to sell any quantity of a good at a given price. The firm’s marginal revenuewill be:

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Question:

A firm is able to sell any quantity of a good at a given price. The firm’s marginal revenuewill be:

A.

Greater than Average Revenue

B.

Less than Average Revenue

C.

Equal to Average Revenue

D.

Zero

Answer» c. Equal to Average Revenue

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

If a positively sloped linear supply curve passes through the origin, the elasticity of supply is:

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Question:

If a positively sloped linear supply curve passes through the origin, the elasticity of supply is:

A.

Inelastic

B.

Elastic

C.

Unitary elastic

D.

Perfectly elastic

Answer» c. Unitary elastic

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

What is the order of a matrix?

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Question:

What is the order of a matrix?

A.

number of rows x number of columns

B.

number of columns x number of rows

C.

number of rows x number of rows

D.

number of columns x number of columns

Answer» a. number of rows x number of columns

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

The elasticity of average revenue curve of the monopolisticcompetitor, depends on

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Question:

The elasticity of average revenue curve of the monopolisticcompetitor, depends on

A.

The extent of product differentiation

B.

The number of firms

C.

Number of buyers

D.

Both A & B

Answer» d. Both A & B

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

The general quadratic equation ax2 +bx +c=0 can be solved by using

by
Question:

The general quadratic equation ax2 +bx +c=0 can be solved by using

A.

by factorization method

B.

by quadratic formula

C.

by completing the square method

D.

all the above

Answer» d. all the above

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

A _______ would be an effective tool to assess the relationship between the grade earnedin a class and the number of hours spent studying

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Question:

A _______ would be an effective tool to assess the relationship between the grade earnedin a class and the number of hours spent studying

A.

scatter diagram

B.

bar chart

C.

histogram

D.

pie chart

Answer» a. scatter diagram

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