Question 1

The Value of the determinant 5 6 3 4 is ______

Accepted Answer

A)  2
B)  - 2
C)  38
D)  - 38 A

Question 2

A matrix in which every element is Zero

Accepted Answer

A)  Unit
B)  Diagonal
C)  Scalar
D)  Null D

Question 3

Which of the following are examples of null set

Accepted Answer

A)  Set of even prime numbers
B)  Set of letters in English alphabets
C)  Set of odd natural numbers divisible by 2
D)  All the above C

Question 4

Two finite sets A and B are said to be equivalent set if cardinality of both sets are

Accepted Answer

A)  Equal
B)  Not equal
C)  Similar
D)  none

Question 5

A set with no elements is a

Accepted Answer

A)  Null set
B)  Finite set
C)  Infinite set
D)  None

Question 6

The solution of the equation 4 =2/3 x is …………..

Accepted Answer

A)  6
B)  12
C)  8
D)  16

Question 7

The sum of two matrices is a matrix obtained by adding ………………... elements of the given matrices

Accepted Answer

A)  Corresponding
B)  Opposite
C)  Same
D)  none

Question 8

A rectangular matrix does not possess

Accepted Answer

A)  Inverse matrix
B)  Square matrix
C)  Zero matrix
D)  None

Question 9

a 0 b ?a is =

Accepted Answer

A)  ab
B)  0
C)  a2
D)  b

Question 10

if the rows and columns of determinant are interchanged, the determinate value ………………….

Accepted Answer

A)  Remains the same
B)  The sign of the value is changed
C)  Becomes zero
D)  None

Question 11

If all elements in the matrix are zero then it is

Accepted Answer

A)  Diagonal matrix
B)  Square matrix
C)  Identity matrix
D)  Zero matrix

Question 12

Two set A and B are said to be equal if they have exactly the same elements and we write it

Accepted Answer

A)  A ? B
B)  A = B
C)  A € B
D)  None

Question 13

A………… is matrix which has only one column

Accepted Answer

A)  Column
B)  Row
C)  Diagonal
D)  Square

Question 14

George cantor is the

Accepted Answer

A)  Father of Mathematics
B)  Father of statistics
C)  Father of Set Theory
D)  None

Question 15

A matrix with equal number of rows and colume is called

Accepted Answer

A)  Square matrix
B)  Column
C)  Row
D)  none

Question 16

The Value of determinant a b c d is

Accepted Answer

A)  ad - bc
B)  ab - cd
C)  bd - ac
D)  bc - ad

Question 17

Which is also known as property method

Accepted Answer

A)  Roster method
B)  Set builder method
C)  Both a and b
D)  None

Question 18

The transpose of a matrix A is denoted by

Accepted Answer

A)  At
B)  A
C)  A(x) 
D)  None

Question 19

A set 'A' is said to be a subset of a set B if every element of A is

Accepted Answer

A)  Also an element of A
B)  Also an element of B
C)  Not an element of B
D)  Not an element of A

Question 20

In the following state whether A=B

Accepted Answer

A)  A= {4,8,12,16} B = {8,4,16,18}
B)  A= {x : x is a multiple of 10 } B= {10, 15, 20, 25 ….}
C)  A= {a, b, c, d} B = {d, c, b, a}
D)  None

Exam 1: Mathematical Concepts and Operations