Question:

Singular matrix are?

A.

non-invertible

B.

invertible

C.

both non-invertible and invertible

D.

none of the above

Answer» a. non-invertible

Question:

Q= 24-2p what is the consumer surplus at p= 5

A.

20

B.

25

C.

23

D.

24

Answer» b. 25

Question:

The matrix which is the sum of all the diagonal elements of a square matrix?

A.

diagonal matrix

B.

trace matrix

C.

identity matrix

D.

both a and b

Answer» b. trace matrix

Question:

Singular Value Decomposition is some sort of generalization of _______ decomposition.

A.

singular

B.

eigen vector

C.

eigen value

D.

none of the above

Answer» b. eigen vector

Question:

Slop of total cost curve equal to

A.

mr

B.

mc

C.

ar

D.

ac

Answer» b. mc

Question:

What is the value of∫ + 5 ?

A.

8

B.

7

C.

12.5

D.

15

Answer» a. 8

Question:

What is symmetric Matrix?

A.

≠

B.

=

C.

both a and b

D.

none of the above

Answer» b. =

Question:

What is the transpose of cofactor matrix?

A.

inverse matrix

B.

singular matrix

C.

non singular matrix

D.

ad joint of a matrix

Answer» d. ad joint of a matrix

Question:

What is the MP of labor of a cob drugless production function? =

A.

∗

B.

∗

Answer» a. ∗

Question:

The total of fist 100 number is————– A. 5050 B. 10100 C.7500 D. 500040. What is the sum of all 3 digit numbers that leave a remainder of ‘2’ when divided by 3?

A.

897

B.

1,64,850

C.

1,64,749

D.

1,49,700

Answer» a. 897