Mathematics MCQs for PPSC FPSC KKPSC BPSC SPSC NTS Test 6

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Online Free Taleem is free online MCQ’s test related to Lecturer Mathematics. All the individuals who are going to appear in PPSC, FPSC, KKPSC, SPSC, BPSC, AJ&KPSC, NTS, Lecturer Mathematics written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Mathematics include all the important questions and Past Paper of  Lecturer Mathematics, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Mathematics
SubjectMath Test 6
Test TypeMCQs Mathematics
Total Questions25
Total Time20 Minutes
Total Marks100
0%

You have 20 minutes to pass to the quiz.

Lecturer of Mathematics Online Test No. 6

1 / 25

Let r is be a relation defined as a r b if ab + 1 > 0. Then relation r is:

2 / 25

Which of the following is a group w. r. t multiplication:

3 / 25

If X and Y are two sets such that n (X) = 17, (Y) = 23 and n (X ∪ Y) = 38, then n (X  ∩ Y) is:

4 / 25

Let n (A) = 3 and n (B) = 6. What can be the minimum number of elements in A ∪ B?

5 / 25

The number of subgroups of a group is:

6 / 25

If X and Y are two sets, then X ∩(X ∪ Y)' = 0

7 / 25

If G is an Abelian, then which of the following is the order of G:

8 / 25

G = {1, 3, 5, 7} is a group w. r. t multiplication modulo 8. Then inverse of 5 is:

9 / 25

Let r1 and r2 are symmetric relations (not disjoint) on a set A then the relation r1 ∩ r2 is:

10 / 25

In a group of even order, there at least................elements of order 2:

11 / 25

The identity element of (P (X), ∩) where X ≠ ∅ is:

12 / 25

Which of the following is not a group w.r.t. addition:

13 / 25

n/m means that n is factor of m, then the relation ‘/’ is:

14 / 25

Let r be a relation defined as a r b if |a|≤ b. Then relation r is:

15 / 25

G = {1, 2, 4, 5, 7, 8} under multiplication modulo 9 is:

16 / 25

The set of cube roots of unity is a subgroup of:

17 / 25

Which of the following is the empty set:

A). {x|x ∈ R ∧ x2 - 1 = 0 }

B). {x|x ∈ R ∧ x2 +1 = 0 }

C). {x|x ∈ R ∧ x2 - 16 = 0 }

D). {x|x ∈ R ∧ x2  = x+2 }

18 / 25

Let U be the universal set and A, B are subsets of U. If n (U) = 700, n (A) = 200, n (B) = 300 and n (A ∩B) = 100, then n (A'∩B') =

19 / 25

The relation ‘less than’ in the set of natural number is:

20 / 25

Let r be a relation defined on a set of real number as ∀ a, b ∈ R, a r b if |a - b| > 0. Then r is:

21 / 25

Let G be a group and a, b ∈ G. Then order of a-1 is equal to:

A). b

B). ab

C). bab-1

D). b-1

22 / 25

Number of non-empty subsets of the set {1, 2, 3, 4} is:

23 / 25

If a N = {ax | x ∈ N}, then 3N ∩ 5N =

24 / 25

Which binary operation is not defined in the set of natural number:

25 / 25

The union of all positive even and all positive add integer is:

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