Mathematics Number System Online Mcqs Test

Q: How can I prepare for Mathematics Number System Online Mcqs Test?

You can prepare for Mathematics Number System Online Mcqs Test by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. √36 is

Answer

An even integer

Answer

A factor of 26

Answer

A rational number

Answer

An irrational number

Question 2

2. If Z₁ = (x₁, y₁), Z₂ = (x₂, y₂), where Z₁, Z₂ ϵ C then Z₁ + Z₂ = ?

Answer

(x₁ + y₂, x₂ + y₁)

Answer

(x₁ + y₁, x₂ + y₂)

Answer

(x₁ + x₂, y₁ + y₂)

Answer

(x₁ + x₂, y₁ – y₂)

Question 3

3. π/4 ≈ 0.785398163397448309615
To which subset of the real number does π/4 belong?
I. Whole Numbers
II. Irrational Numbers
III. Rational Numbers
IV. Integers
V. Natural Numbers

Answer

II and III only

Answer

II, III and V only

Question 4

4. Every even integer is also

Answer

Natural number

Answer

Rational number

Answer

Whole number

Answer

Irrational number

Question 5

5. The absolute value of the umber z = 1 – i is

Question 6

6. The multiplicative inverse of 2 is

Question 7

7. If ‘*’ is a binary operation in a set A, then for all a, b ϵ A,

Answer

a – b ϵ A

Answer

a * b ϵ A

Answer

a + b ϵ A

Answer

a x b ϵ A

Question 8

8. Z₁Z₂ =

Question 9

9.

Question 10

10. The property used in the equation 3 x (7 x 9) = (3 x 7) x 9 is

Answer

Associative property with respect to multiplication

Answer

Closure property with respect to addition

Answer

Closure property with respect to division

Answer

Associative property with respect to addition

Question 11

11. Conjugate of (–3, 4) is

Answer

(–3,–4)

Question 12

12. Square root of a negative real no is always a

Answer

Irrational number

Answer

Rational number

Answer

None of these

Answer

Complex number

Question 13

13. Multiplicative inverse of (a, b) is

Answer

[–a/a²+b² , b/a²+b² ]

Answer

[–a/a²+b² , –b/a²+b²]

Answer

[a/a²+b² , –b/a²+b²]

Answer

[a²/a²+b², b/a²+b²]

Question 14

14. Which of the following sets has closure property with respect to multiplication?

Question 15

15. If z = a + b then Z = ?

Answer

None of these

Question 16

16. Every integer is also

Answer

Irrational number

Answer

Rational number

Answer

Whole number

Answer

Natural number

Question 17

17. ‘÷’ is

Answer

Not a binary operation is R

Answer

A binary operation R

Answer

A binary operation is Q

Answer

Not binary operation in E

Question 18

18. Golden rule of fractions is hat for k ≠ 0, a/b =

Question 19

19. Every odd integer is also

Answer

Irrational number

Answer

Positive integer

Answer

Negative integer

Answer

Rational number

Question 20

20. The value of (5, - 4) ÷ (-3, -8) as

Answer

[17/73 , 73/52]

Answer

[17/73 , 52/73]

Question 21

21. If ‘a’ and ‘b’ are real number then a + b is a real no. This law is called

Answer

Commutative law

Answer

Closure law

Answer

Associative law

Answer

Distributive law

Question 22

22. 0.01001000100001 ___________ is a

Answer

Irrational number

Answer

Complex number

Answer

None of these

Answer

Rational number

Question 23

23. The numbers shown above belong to which of the following subsets of the real numbers?
I. Integers
II. Natural Numbers
III. Irrational Numbers
IV. Rational Numbers
V. Whole Numbers

Answer

I, IV, and V only

Answer

I, II, and V only

Answer

I, II, IV, and V only

Question 24

24. A number which can be written in the form p/q, where p and q are relatively prime integers and q ≠ 0 is called the

Answer

Rational number

Answer

Index number

Answer

Irrational number

Answer

Imaginary number

Question 25

25. Factorization of 9a² + 16b² is

Answer

(3b – 4a)(3b + 4a)

Answer

(3a – 4b)(3a + 4b)

Answer

(3b – 4ia)(3b + 4ia)

Answer

(3a – 4ib)(3a + 4ib)

Question 26

26. The additive property of equality of real numbers is that A a,b,c ϵ R

Answer

a = b ⇒ a + c = b

Answer

a = b ⇒ a + c = b + c

Answer

a = b ⇒ a – c = b + c

Answer

a = b ⇒ a + c = b – c

Question 27

27. 0.24242424 ……….. is

Answer

Both rational and irrational

Answer

Neither rational nor irrational

Answer

Irrational

Question 28

28. The product of two complex numbers each of unit modulus is also a complex number, of

Answer

Unit modulus

Answer

Greater than unit modulus

Answer

Less than unit modulus

Answer

None of these

Question 29

29. 3 is

Answer

An irrational number

Answer

A rational number

Answer

An odd integer

Answer

A negative integer

Question 30

30. a + ib is

Answer

A whole number

Answer

A complex number

Answer

An irrational number

Answer

A rational number

Question 31

31. 4/2 – 2i

Question 32

32. 22/7 is?

Answer

Natural no

Answer

Irrational

Question 33

33. The reflexive property of equality of real number is that A a ϵ R

Question 34

34. A number which can be written in form of p/q p,q ϵ z ʌ q ≠ 0 is called the

Answer

Rational no

Answer

Irrational no

Answer

Imaginary no

Question 35

35. Every integer number is also

Answer

Natural number

Answer

Rational number

Answer

Irrational number

Question 36

36. The polar form of a complex number is

Answer

r (cos θ + i sin θ)

Answer

r (sin θ + i cos θ)

Answer

r (sec θ + i csc θ)

Answer

r (tan θ + i cot θ)

Question 37

37. π is

Answer

A natural number

Answer

A rational number

Answer

A whole number

Answer

An irrational number

Question 38

38. For a, b ϵ R, a > b a = b or a < b is the

Answer

Trichotomy property of real number

Answer

Cancellation property of real numbers

Answer

Right distributive property of real numbers

Answer

Left distributive property of real numbers

Question 39

39. The square roots of – 1 are:

Question 40

40. Which of the following is an expression for √–64 + √–36 in the form a + b, where a and b are real?

Answer

0 + √117i

Answer

0 + √15i

Question 41

41. Geometrically, the modulus of a complex number represents its distance from the

Answer

Point (1, 0)

Answer

Point (0, 1)

Answer

Point (1, 1)

Question 42

42. If n is prime then √n is

Answer

Irrational

Answer

Natural no

Question 43

43. The value of (a + bi)³ is

Answer

a³ - b³ - 3ab(a+b)

Answer

a³-3ab²3a²bi-b³i

Answer

a³+3ab²+3a²b+b³

Question 44

44. Multiplicative identity in complex numbers is

Question 45

45. The value of i²⁵ = ?

Question 46

46. √25 is

Answer

A factor of 26

Answer

An even integer

Answer

An irrational no

Answer

Rational no

Question 47

47. Every natural number is also

Answer

Irrational number

Answer

Negative integer

Answer

Even integer

Answer

Rational number

Question 48

48. 2:123456789123456789123456789…………

Answer

A negative integer

Answer

An irrational no

Answer

A whole no.

Answer

A rational no.

Question 49

49. If n is a positive integer, then which of the following relation is false

Answer

i4n + 1 = i

Answer

i4n – 1 = i

Question 50

50. Every recurring decimal or terminating decimal represents the

Answer

Irrational number

Answer

Rational number

Answer

Natural number

Question 51

51. If Z₁ = 3 – 6i and Z₂ = 4 + 5i then, Z₁Z₂ = ?

Question 52

52. a – ib =

Question 53

53. ‘ . ‘ is

Answer

A binary operation R

Answer

Not a binary operation is R

Answer

A binary operation is Q

Answer

Not binary operation in E

Question 54

54. If z = a + ib, then z¯¹ =

Answer

(a – ib)

Answer

–a/a²+b² + i b/a²+b²

Answer

a/a²+b² – i b/a²+b²

Question 55

55. Factorization of a² + b²

Answer

None of these

Answer

(a – bi)(a + bi)

Answer

(a – bi)(a – bi)

Answer

(a – b)(a + b)

Question 56

56. a > 0 ⇒

Answer

– 1/a > 0

Question 57

57. The additive identity of real numbers is

Question 58

58. 1 > – 1 ⇒ –3 > –5, this property is called

Answer

Multiplicative property

Answer

Closure property

Answer

Transitive property

Answer

Additive property

Question 59

59. Every odd integer is also

Answer

Rational number

Answer

Negative integer

Answer

Positive integer

Answer

Irrational number

Question 60

60. The set {0} has closer property w.r.t

Answer

Both a and b

Answer

Multiplication

Answer

None of these

Question 61

61. The members of a carterian product are always

Answer

None of these

Answer

Singletons

Answer

Ordered triples

Answer

Ordered pairs

Question 62

Loading...

Total Questions:	61
Time Allowed:	30 Minutes
Total Marks:	61
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Math Test ECAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Mathematic Interview Question Answer Universities Entrance Test

Mathematics Number System Online Mcqs Test

Important Mathematic Number System Question and Answer

Mathematics Number System Practice Test Online With Explanation

Math

How to Score High in Mathematics Number System Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Maan Ali

16 Comments

Leave a Reply Cancel reply

Important Mathematic Number System Question and Answer

Mathematics Number System Practice Test Online With Explanation

Math

How to Score High in Mathematics Number System Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Latest Updates

Maan Ali

16 Comments

Leave a Reply Cancel reply