Tiwari Academy Discussion

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

Kavita Kaushik

Asked: November 4, 2020In: Class 9

Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S′. Find the:

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:9 (i) radius r ′ of the new ...

Kavita Kaushik

Asked: November 4, 2020In: Class 9

A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm³) is needed to fill this capsule?

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:10

Kavita Kaushik

Asked: November 4, 2020In: Class 9

The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area decrease?

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 13.9 Page No:237 Questions No:3

Rohan Duaby

Asked: October 30, 2020In: Class 10

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, find the area of the tin sheet required to make the funnel.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.5 Page No:258 Questions No:5

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter l of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:5

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A tent is in the shape of a cylinder surmounted by a conical top. If the height and diameter of the cylindrical part are 2.1 m and 4 m respectively, and the slant height of the top is 2.8 m, find the area of the canvas used for making the tent. Also, find the cost of the canvas of the tent at the rate of ` 500 per m2. (Note that the base of the tent will not be covered with canvas.)

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:245 Questions No:7

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:245 Questions No:8

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the total surface area of the article.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:245 Questions No: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?

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

Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S′. Find the:

A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm³) is needed to fill this capsule?

The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area decrease?

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, find the area of the tin sheet required to make the funnel.

A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter l of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2.

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the total surface area of the article.

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Tiwari Academy Discussion Latest Questions