Punjab 9th Class Math Chapter 2 Real and Complex Number Class 9th Punjab

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Question 1 of 15

Math

1. Every real number is ………………..

A negative integer

A rational number

A complex number

A positive integer

Question 1 of 15

Question 2 of 15

2. In ³√35 the radicand is ………………

1/3

None of these

35

3

Question 2 of 15

Question 3 of 15

3. A non-terminating, nonrecurring decimal represents ………………….

 

A natural number

A irrational number

A rational number

A prime number

Question 3 of 15

Question 4 of 15

4. (27 x⁻¹)⁻⅔ =

D

A

C

B

Question 4 of 15

Question 5 of 15

5. Exponential form of ⁷√x is:

x⁹

x⅟ ⁷

x

x⁷

Question 5 of 15

Question 6 of 15

6. If a, b є R, then only one of a = b or a < b or a > b holds is called ………

 

Additive property

Multiplicative property

Transitive property

Tracheotomy property 

Question 6 of 15

Question 7 of 15

7. Which of the following sets have the closure property w.r.t. addition ____________

{0, -1}

{0}

None of these

{0, 1}

Question 7 of 15

Question 8 of 15

8. Name the property of real numbers used in   ...................

Multiplicative identity

Multiplicative inverse

Additive identity

Additive inverse

Question 8 of 15

Question 9 of 15

9. The value of i⁹ is ………………….

i

1

– i

– 1

Question 9 of 15

Question 10 of 15

10.

- 4/5

4/5

- 5/4

5/4

Question 10 of 15

Question 11 of 15

11. The conjugate of 5 + 4i is…………..

–5 + 4i

5 + 4i

5 – 4i

–5 – 4i

Question 11 of 15

Question 12 of 15

12. Write 4²/³ with radical sign …………..

 

²√4³

√4³

³√4²

√4⁶

Question 12 of 15

Question 13 of 15

13. Imaginary part of –i(3i + 2) is …………….

3

–3

–2

2

Question 13 of 15

Question 14 of 15

14. If x, y, z є R, z < 0, then x < y ⇒ …............

 

xi <  yi

xz > yz

None of these

xy = yz

Question 14 of 15

Question 15 of 15

15. Real part of 2ab(i + i²) is …………………

–2abi

–2ab

2ab

2abi

Question 15 of 15

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