The internal and external diameters of a...

The internal and external diameters of a hollow hemispherical vessel are 20 cm and 28 cm respectively. Find the cost to paint the vessel all over at Rs. 0.14 per `cm^(2)`.

Text Solution

Verified by Experts

The correct Answer is:

रु `302.72`

Topper's Solved these Questions

MENSURATION
PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 7.2|10 Videos
MENSURATION
PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 7.3|10 Videos
GEOMETRY
PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|22 Videos
NUMBERS AND SEQUENCES
PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|23 Videos

Similar Questions

Explore conceptually related problems

The internal and external diameter of a hollow hemispherical shell are 6 cm and 10 cm respectively. If it is melted and recast into a solid cylinder of diameter 14 cm, then find the height of the cylinder.

The external radius and the length of a hollow wooden log are 16 cm and 13 cm respectively. If its thickness is 4 cm then find its T.S.A.

A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the external diameter of the cylinder be 1.4 cm and its length be 8 m. Find the cost of painting it on the outside at rite of Rs. 20per m^2 .

A container open at the top is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends are 8 cm and 20 cm respectively. Find the cost of milk which can completely fill a container at the rate of Rs. 40 per litre.

A solid toy is in the form of a right circular cylinder with a hemispherical shape at one end and a cone at the other end. Their common diameter is 4.2 cm. and heights of the cylindrical and concial portion are 12 cm. and 7 cm. respectively. Find the volume of the solid toy. [pi =(22)/(7)]

A solid toy is in the form of a right circular cylinder with hemispherical shape at one end and a cone at the other end. Their common diameter is 4.2 cm and the height of the cylindrical and conical portions are 12 cm and 7 cm respectively. Find the volume of the solid toy. (Use pi= (22)/(7) )

A toy is in form of a cone mounted on a hemisphere on the same diameter . The diameter of the base and the height of the cone are 6 cm and 4 cm respectively. Determine the surface area of the toy . [use pi= 3.14 ]

PREMIERS PUBLISHERS-MENSURATION-OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS

The internal and external diameters of a hollow hemispherical vessel a...
Text Solution
|
Match the following:
Text Solution
|
The surface area of a sphere is 154 cm^(2). Its radius is:
Text Solution
|
The surface area of two spheres are in the ratio 9:16. Find the ratio ...
Text Solution
|
If the base area of a hemispherical solid is 264 m^(2) find its total ...
Text Solution
|
A cylindrical drum has a height of 10 cm and base diameter 14 cm, find...
Text Solution
|
The curved surface area of a right circular cylinder of height 7 cm is...
Text Solution
|
Take a semi-circular paper with radius 7 cm and make it a cone. Find t...
Text Solution
|
The radius of a conical tent is 7 m and the height is 24 m. What is th...
Text Solution
|
If the T.S.A of a cone of radius 7 cn is 440 cm^(2) then slant height ...
Text Solution
|
The volume of a cylinder whose height is 5m and whose base area is 51....
Text Solution
|
The ratio of the volume of two cones is 2:9, find the ratio of their r...
Text Solution
|
The height of a right circular cone whose radius is 10 cm and slant he...
Text Solution
|
if the radius of the base of a right circular cylinder is doubled keep...
Text Solution
|
If the radius of the base of a cone is doubled and the height is tripl...
Text Solution
|
A hemispherical solid of radius r1 units is melted and made into 32 id...
Text Solution
|
A solid sphere of radius 7 cm is melted and casted into a shape of a s...
Text Solution
|