Chapter 1 | Real Numbers | National Book Foundation - Math World

Skip to content

$mathworld.pk$

Mathematics Notes For All Classes and Boards – MathWorld by Rizwan Zafar
MatricLATEST
- 9th ClassNEW
- 10th ClassNEW
FSc SectionUPDATED
SolutionsUPDATED
Entry Test Preparation (ECAT)LATEST
MCQSUPDATED
Intelligence TestLATEST
University Admissions
- NUST UNIVERSITY
  - Undergraduate Program
Other Links
A Level Maths Solution BankUPDATED
MCQs BankUPDATED
Online MCQs Preparation | Class 12 | National Book Foundation

Entry Test Preparation

Entry Test Preparation

Search for:

$mathworld.pk$

Chapter 1 | Real Numbers | National Book Foundation

Welcome to Chapter 1 – Real Numbers (Class 9 Mathematics | NBF), your dedicated platform for mastering the fundamentals of real numbers through carefully designed, exam-focused MCQs.

Welcome to your

Chapter 1 | Real Numbers

April 19, 2026

Name

School

The radical form of $x^{-\frac{3}{2}}$ is:

$\dfrac{1}{\sqrt[3]{x^2}}$

$\sqrt[3]{\frac{1}{x^2}}$

$\dfrac{1}{\sqrt{x^3}}$

$\sqrt{x^3}$

None

$\sqrt[n]{ab}$ is equal to

$\sqrt{ab}$

$(ab)^{\frac{1}{n}}$

$n(ab)$

$(ab)^n$

None

If $a > 0$, then $\sqrt{a}$ is

irrational

integer

real

rational

None

Additive inverse of $\sqrt{5}$ is:

$-5$

$-\sqrt{5}$

$5$

$\dfrac{1}{\sqrt{5}}$

None

If $a + b = a$, what is value of $b$?

$0$

$-1$

$a$

$1$

None

$a^{r-s} \div a^{s}$ is

$\dfrac{a^{r}}{a^{2s}}$

$a^{r-s}$

$a^{r} \cdot a^{2s}$

$a^{r+2s}$

None

If $n = 8$ and $16 \times 2^{m} = 4^{\,n-8}$ then value of $m$ is:

$8$

$-2$

$-4$

$0$

None

Which number is self-multiplicative inverse?

$-3$

$0$

$-1$

$3$

None

If $a \cdot b = 1$, what is $b$ called?

self-multiplicative inverse

multiplicative inverse of $a$

additive identity

multiplicative identity

None

$a(b + c - d)$ equals

$ab - ac - ad$

$ac + ab - ad$

$ab + ac + ad$

$a(b + c + d)$

None

According to reflexive property: $y^2 - 17 = ?$

$y - 17$

$y^2 - 17$

$y^2 + 17$

$-17 - y^2$

None

Commutative property does not hold with respect to:

subtraction

multiplication

both (a) and (b)

addition

None

Given number $\sqrt{10}\cdot\sqrt{10}$ is:

Irrational

Complex

Real

Imaginary

None

1 out of 13

Time's up

Search for:

Mathematics Notes For All Classes and Boards – MathWorld by Rizwan Zafar
MatricLATEST
- 9th ClassNEW
- 10th ClassNEW
FSc SectionUPDATED
SolutionsUPDATED
Entry Test Preparation (ECAT)LATEST
MCQSUPDATED
Intelligence TestLATEST
University Admissions
- NUST UNIVERSITY
  - Undergraduate Program
Other Links
A Level Maths Solution BankUPDATED
MCQs BankUPDATED
Online MCQs Preparation | Class 12 | National Book Foundation

Entry Test Preparation

Entry Test Preparation

Mathematics Notes For All Classes and Boards – MathWorld by Rizwan Zafar
MatricLATEST
- 9th ClassNEW
- 10th ClassNEW
FSc SectionUPDATED
SolutionsUPDATED
Entry Test Preparation (ECAT)LATEST
MCQSUPDATED
Intelligence TestLATEST
University Admissions
- NUST UNIVERSITY
  - Undergraduate Program
Other Links
A Level Maths Solution BankUPDATED
MCQs BankUPDATED
Online MCQs Preparation | Class 12 | National Book Foundation

$mathworld.pk$

I am Rizwan Zafar, holding an MS in Mathematics, residing in Wah Cantt, Pakistan.

Quick Link

Knowledge Base
Hire An Expert
FAQ
Contact
Services

Rizwan Zafar

Rizwan Zafar

Social Networks

Visit mcstarters on these social links.

Facebook Twitter Youtube Linkedin

2019 © Copyrights (Rizwan Zafar).

About us
Contact Us
Disclaimer
Privcay and Policy
Terms & Conditons

Scroll to Top