Mathematics MCQs for PPSC FPSC KKPSC BPSC SPSC NTS Test 12

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Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test Name Lecturer Mathematics
Subject Math Test 12
Test Type MCQs Mathematics
Total Questions 25
Total Time 20 Minutes
Total Marks 100
0%

You have 20 minutes to pass to the quiz.


Lecturer Mathematics Online Test No. 12

1 / 25

In a group the inverse is:

2 / 25

Solution of linear equation ?? = ? is:

a). ? = ??−1

b). ? = ?−1?

c). ? = ??

d). ?? = ?

3 / 25

(?, . ) is

4 / 25

Inverse and identity of a set ? under binary operation ∗ is:

5 / 25

 The horizontal lines of numbers in a matrix are called:

6 / 25

The set {?, ?, ??} where ? = √−? is closed ?. ?. ?:

7 / 25

In general matrix multiplication is not:

8 / 25

The set of natural number is not closed under binary operation:

9 / 25

 A square matrix ? is singular if

10 / 25

(??)? =

A). ??

B).  ?

C).  – ?

D).  (??)?

11 / 25

[? −?     ?     ?] is an example of

12 / 25

A semi-group having an identity is called:

13 / 25

If a matrix A has different number of rows and columns then A is called:

14 / 25

In group (?, +) inverse of 1 is:

15 / 25

The set {?, −?, ?, −?} is not closed ?. ?. ?:

16 / 25

The vertical lines of numbers in a matrix are called:

17 / 25

A rectangular array of numbers enclosed by a square brackets is called:

18 / 25

If order of matrix ? is ? × ? and order of matrix ? is ? × ? then order of matrix ?? is

19 / 25

The matrix ? is said to be real if its all entries are:

20 / 25

? is closed ?. ?. ?:

21 / 25

For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and all ??? = ?(??? − ????) for ? = ? then A is called:

22 / 25

For every ?, ? ∈ ? , ? ∗ ? = ? ∗ ? then ? is called:

23 / 25

For the square matrix ? = [???]?×? then ???, ???, ???…??? are:

24 / 25

 Subtraction is non-commutative and non-associative on:

25 / 25

If a matrix A has ? rows and ? columns , then order of A is :

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