Hey, are you a class 9 Student and Looking for Ways to Download NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8? If Yes then you are at the right place.
Here we have listed Class 9 maths chapter 13 exercise 13.8 solutions in PDF that is prepared by Kota’s top IITian’s Faculties by keeping Simplicity in mind.
If you want to score high in your class 9 Maths Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.
In this article, we have listed NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 that you can download to start your preparations anytime.
So, without wasting more time Let’s start.Download The PDF of NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 "Surface Areas and Volumes"
So, that’s all from this article. I hope you enjoyed this post. If you found this article helpful then please share it with other students.
Q1. Find the volume of a sphere whose radius is
(i) $7 \mathrm{~cm}$
(ii) $0.63 \mathrm{~m}$
Q2. (i) Find the amount of water displaced by a solid spherical ball of diameter 28 cm.
Q3. The diameter of a metallic ball is $4.2 \mathrm{~cm}$. What is the mass of the ball, if the density of the metal is $8.9 \mathrm{~g}$ per $\mathrm{cm}^{3}$ ?
Q4. The diameter of the moon is approximately one-fourth the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?
Q5. How many Iitres of milk can a hemispherical bowl of diameter 10.5 cm hold?
Q6. A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.
Q7. Find the volume of a sphere whose surface area is $154 \mathrm{~cm} ^ {2} $.
Q8. A dome of a building is in the form of a hemisphere. From inside, it was white washed at the cost of Rs. 498.96. if the cost of white washing is Rs. $2.00$ per square metre, find the
(i) Inside surface area of the dome,
(ii) Volume of the air inside the dome.
Q9. Twenty seven solid iron spheres, each of radius $\mathrm{r}$ and surface area $\mathrm{S}$ are melted to form a sphere with surface area $\mathrm{S}^{\prime} $. Find the
(i) radius $\mathrm{r}^{\prime}$ of the new sphere,
(ii) ratio of $\mathrm{S}$ and $\mathrm{S}$ '.
Q10. A capsule of medicine is in the shape of a sphere of diameter $3.5 \mathrm{~mm}$. How much medicine (in $\mathrm{mm}^{3}$ ) is needed to fill this capsule?
Also Read,
NCERT Class 9 Maths Book PDF
NCERT Class 9 Maths Exemplar PDF
Complete Solutions for Class 9 Maths chapter 13 PDF
Download Class 9 Maths Chapter 12 Exercise 12.1 Solutions PDF
Download Class 9 Maths Chapter 12 Exercise 12.2 Solutions PDF
If you have any Confusion related to NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 then feel free to ask in the comments section down below.
To watch Free Learning Videos on Class 9 by Kota’s top Faculties Install the eSaral App
Here we have listed Class 9 maths chapter 13 exercise 13.8 solutions in PDF that is prepared by Kota’s top IITian’s Faculties by keeping Simplicity in mind.
If you want to score high in your class 9 Maths Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.
In this article, we have listed NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 that you can download to start your preparations anytime.
So, without wasting more time Let’s start.
Download The PDF of NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 "Surface Areas and Volumes"
So, that’s all from this article. I hope you enjoyed this post. If you found this article helpful then please share it with other students.
All Questions of Chapter 13 Exercise 13.8
Once you complete the chapter 13 then you can revise Ex. 13.8 by solving following questions
Q1. Find the volume of a sphere whose radius is
(i) $7 \mathrm{~cm}$
(ii) $0.63 \mathrm{~m}$
Q2. (i) Find the amount of water displaced by a solid spherical ball of diameter 28 cm.
Q3. The diameter of a metallic ball is $4.2 \mathrm{~cm}$. What is the mass of the ball, if the density of the metal is $8.9 \mathrm{~g}$ per $\mathrm{cm}^{3}$ ?
Q4. The diameter of the moon is approximately one-fourth the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?
Q5. How many Iitres of milk can a hemispherical bowl of diameter 10.5 cm hold?
Q6. A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.
Q7. Find the volume of a sphere whose surface area is $154 \mathrm{~cm} ^ {2} $.
Q8. A dome of a building is in the form of a hemisphere. From inside, it was white washed at the cost of Rs. 498.96. if the cost of white washing is Rs. $2.00$ per square metre, find the
(i) Inside surface area of the dome,
(ii) Volume of the air inside the dome.
Q9. Twenty seven solid iron spheres, each of radius $\mathrm{r}$ and surface area $\mathrm{S}$ are melted to form a sphere with surface area $\mathrm{S}^{\prime} $. Find the
(i) radius $\mathrm{r}^{\prime}$ of the new sphere,
(ii) ratio of $\mathrm{S}$ and $\mathrm{S}$ '.
Q10. A capsule of medicine is in the shape of a sphere of diameter $3.5 \mathrm{~mm}$. How much medicine (in $\mathrm{mm}^{3}$ ) is needed to fill this capsule?
Also Read,
NCERT Class 9 Maths Book PDF
NCERT Class 9 Maths Exemplar PDF
Complete Solutions for Class 9 Maths chapter 13 PDF
Download Class 9 Maths Chapter 12 Exercise 12.1 Solutions PDF
Download Class 9 Maths Chapter 12 Exercise 12.2 Solutions PDF
If you have any Confusion related to NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.8 then feel free to ask in the comments section down below.
To watch Free Learning Videos on Class 9 by Kota’s top Faculties Install the eSaral App