Question:

Power set of empty set has exactly _________ subset.

A.

one

B.

two

C.

zero

D.

three

Answer» a. one

Question:

A set which contains only one element is called

A.

singleton set

B.

finite set

C.

proper set

D.

none of these

Answer» a. singleton set

Question:

The polynomial of type ax2 + bx + c, a = 0 is of type

A.

linear

B.

quadratic

C.

cubic

D.

biquadratic

Answer» a. linear

Question:

Suppose there is a set S, which is the smallest possible subset of S

A.

s1

B.

s

C.

∅

D.

none of these

Answer» c. ∅

Question:

The number of zeros of x2 + 4x + 2

A.

1

B.

2

C.

3

D.

none of these

Answer» b. 2

Question:

Which of the following two sets are equal?

A.

a = {1, 2} and b = {1}

B.

a = {1, 2} and b = {1, 2, 3}

C.

a = {1, 2, 3} and b = {2, 1, 3}

D.

a = {1, 2, 4} and b = {1, 2, 3}

Answer» c. a = {1, 2, 3} and b = {2, 1, 3}

Question:

If = [1 0 6] = [5 4 3], A+B is:

A.

[19]

B.

[6 0 9]

C.

[6 4 9]

D.

none

Answer» c. [6 4 9]

Question:

A matrix with equal number of rows and columns is called:

A.

row matrix

B.

column matrix

C.

square matrix

D.

none

Answer» c. square matrix

Question:

In the linear equation ‘ax+by = c’ the a and b cannot be equal

A.

to rational numbers

B.

to one

C.

to zero

D.

set of even numbers

Answer» c. to zero

Question:

If a set S1 has n elements and S2 has m elements, how many ordered pairs can form in general?

A.

m x n

B.

m + n

C.

m/n

D.

none of these:

Answer» a. m x n