Tiwari Academy Discussion

Asked: November 4, 2020In: Class 9

If the triangle ABC in the Question 7 above is revolved about the side 5 cm, then find the volume of the solid so obtained. Find also the ratio of the volumes of the two solids obtained in Questions 7 and 8.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.7 Page No:233 Questions No:8

Gopinath Munde

Asked: November 4, 2020In: Class 9

A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.7 Page No:233 Questions No:9

Kavita Kaushik

Asked: November 4, 2020In: Class 9

Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.8 Page No:236 Questions No:1

Kavita Kaushik

Asked: November 4, 2020In: Class 9

Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.8 Page No:236 Questions No:2

Kavita Kaushik

Asked: November 4, 2020In: Class 9

The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm³?

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.8 Page No:236 Questions No:3

Kavita Kaushik

Asked: November 4, 2020In: Class 9

The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.8 Page No:236 Questions No:4

Kavita Kaushik

Asked: November 4, 2020In: Class 9

How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.8 Page No:236 Questions No:5

Pritam Chakraborty

Asked: November 4, 2020In: Class 9

How does Evelyn hear music?

NCERT Solutions for Class 9 English Chapter 2 Beehive Chapter 2 The Sound of Music Part:1 Important NCERT Questions NCERT Books for Session 2022-2023 Thinking about the Text Questions No: 1 Part:3

Pritam Chakraborty

Asked: November 4, 2020In: Class 9

Tick the right answer: The (shehnai, pungi ) was a ‘reeded noisemaker.’

NCERT Solutions for Class 9 English Chapter 2 Beehive Chapter 2 The Sound of Music Part:2 Important NCERT Questions NCERT Books for Session 2022-2023 Thinking about the Text Questions No: 1 Part:1

Pritam Chakraborty

Asked: November 4, 2020In: Class 9

Tick the right answer: (Bismillah Khan, A barber, Ali Bux) transformed the pungi into a shehnai.

NCERT Solutions for Class 9 English Chapter 2 Beehive Chapter 2 The Sound of Music Part:2 Important NCERT Questions NCERT Books for Session 2022-2023 Thinking about the Text Questions No: 2 Part:1

If the triangle ABC in the Question 7 above is revolved about the side 5 cm, then find the volume of the solid so obtained. Find also the ratio of the volumes of the two solids obtained in Questions 7 and 8.

A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.

Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m

Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m

The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm³?

The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?

How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?

How does Evelyn hear music?

Tick the right answer: The (shehnai, pungi ) was a ‘reeded noisemaker.’

Tick the right answer: (Bismillah Khan, A barber, Ali Bux) transformed the pungi into a shehnai.

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