Recent questions in Surface Areas and Volumes

Curved surface area of a cylinder is 16\pi cm2, radius is 4cm, then find its height

asked Aug 27, 2015 by pady_1

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A largest sphere is carved out of a cube of side 7cm. Find its radius.

asked Aug 27, 2015 by pady_1

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A well of diameter $2m$ is dug $14\; m$ deep. Find the volume of the earth dug out

asked Aug 27, 2015 by pady_1

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If lateral surface area of a cube is 64 cm^2. What is its edge

asked Aug 27, 2015 by pady_1

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Three cubes of the same metal, whose edges are 6, 8, 10 cm are meltedand formed into a single cube. Find the diagonal of the single cube.

asked Aug 27, 2015 by pady_1

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The length of a diagonal of a cube is 17.32 cm. Find the volume of the cube

asked Aug 27, 2015 by pady_1

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The volume of cube is 8a3. Find its surface area.

asked Aug 27, 2015 by pady_1

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Find the height of largest right circular cone that can be cut out of a cubewhose volume is $729 cm^3$

asked Aug 27, 2015 by pady_1

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The sum of the radius of the base and the height of a solid cylinder is 15 cm. If total surface area is $660 cm^2.$ Write the radius of the base of cylinder

asked Aug 27, 2015 by pady_1

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The diameter and height of a cylinder and a cone are equal. What is the ratio of their volume.

asked Aug 27, 2015 by pady_1

1 answer

How many cubes of side 4 cm can be cut from a cuboid measuring (16× 12 x 8) cm

asked Aug 27, 2015 by pady_1

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Three cubes each of side ‘a’ are joined from end to end to form a cuboid.The volume of the new cuboid is (11)

asked Aug 27, 2015 by pady_1

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The volume of a cuboid is 440 cm3. The area of its base is 66 cm2. Whatis its height(7)

asked Aug 27, 2015 by pady_1

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A wooden article was made by scooping out a hemisphere from each ends of a solid cylinder. If the height of the cylinder is 20cm, and radius of the base is 3.5cm , find the total surface area of the article.

asked Aug 27, 2015 by pady_1

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The volume of a solid metallic sphere is $616cm^3$.its is melted and recast into a cone of height $28\;cm$. Find the diameter of the base of the cone so formed?

asked Aug 27, 2015 by pady_1

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The surface area of a solid metallic sphere is $616cm^2$. It is melted and recast into a cone of height $28\;cm$. Find the diameter of the base of the cone so formed.

asked Aug 27, 2015 by pady_1

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How many shots each having diameter 4.2 cm can be made from a cuboidal lead solid of dimensions 66cm $\times$ 42cm $\times$ 21cm?

asked Aug 27, 2015 by pady_1

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Three metallic solid cubes whose edges are 3cm, 4cm, and 5cm are melted and converted into a single cube .Find the edge of the cube so formed?

asked Aug 27, 2015 by pady_1

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How many spherical lead shots each having diameter 3cm can be made from a cuboidal lead solid of dimensions 9cm X 11cm X 12cm

asked Aug 27, 2015 by pady_1

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A cylinder, a cone and a hemisphere are of same base and of same height . Find the ratio of their volumes?

asked Aug 27, 2015 by pady_1

1 answer

The slant height of a frustum of a cone is 4 cm and the perimeter of its circular ends are18cm and 6cm. Find the curved surface area of the frustum

asked Aug 27, 2015 by pady_1

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A cubical ice cream brick of edge 22cm is to be distributed among some children by filling ice cream cones of radius 2cm and height 7cm up to its brim.how many children will get ice cream cones?

asked Aug 27, 2015 by pady_1

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Find the volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm?

asked Aug 27, 2015 by pady_1

1 answer

The height of a cone is 60 cm.A small cone is cut off at the top by a plane parallel to the base and its volume is $\large\frac{1}{64}$ th the volume of original cone. Find the height from the base at which the section is made?

asked Aug 27, 2015 by pady_1

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Find the volume of a hollow sphere of outer radius 9 cm and inner radius is 6 cm

asked Aug 27, 2015 by pady_1

1 answer

The radius of the base and slant height of a cone is 7 cm and 25 cm respectively. Find the volume of the cone.

asked Aug 27, 2015 by pady_1

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The volume of the hemisphere is 18\pi cm^3. what is the total surface area of the hemisphere?

asked Aug 27, 2015 by pady_1

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The radius of the base and the slant height of a cone is 5cm and 13 cm respectively. Find the volume of the cone .

asked Aug 27, 2015 by pady_1

1 answer

If the edge of a cube increases by 20% then find the percentage increase in its volume

asked Aug 27, 2015 by pady_1

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The radii of two spheres are 2 cm and 3 cm respectively. The ratio of their surface areas is

asked Aug 27, 2015 by pady_1

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The volume of a right circular cylinder is $448\pi cm^3$ and its slant height is 7 cm, Find the radius of its base.

asked Aug 27, 2015 by pady_1

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If a hemisphere and cylinder stands on equal bases, and have the same height. Find the ratio of their volumes.

asked Aug 27, 2015 by pady_1

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12000 cubic feet water is added to a pond that is 80 feet wide and 50 feet long. What is the rise in the water level?

asked Aug 27, 2015 by pady_1

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If radius of two hemispheres are in ratio 3:4, find the ratio of their volumes.

asked Aug 27, 2015 by pady_1

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If radius of two hemispheres are in ratio 3:5, find the ratio of their volumes.

asked Aug 27, 2015 by pady_1

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The radius of a cylinder is halved and the height is doubled. What is the area of the curved surface now compared to the previous surface area?

asked Aug 27, 2015 by pady_1

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If radius of a sphere is 2x, find its surface area.

asked Aug 27, 2015 by pady_1

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A sphere is just enclosed inside a cube of volume 84 cm3. Find the volume of the sphere.

asked Aug 27, 2015 by pady_1

1 answer

A sphere is just enclosed inside a cube of volume 24 cm3. Find the volume of the sphere.

asked Aug 27, 2015 by pady_1

1 answer

Find the volume of the biggest cone that can fit inside a cube of side 2 cm.

asked Aug 27, 2015 by pady_1

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A sphere and a cone have the same radii. If the volume of the sphere is one fourth of the volume of the cone, find the ratio of the cone's height and radius.

asked Aug 27, 2015 by pady_1

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A sphere is just enclosed inside a right circular cylinder. If volume of the sphere is 200 cm3, find volume of the gap between cylinder and sphere

asked Aug 27, 2015 by pady_1

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If the radii of two hemispheres are in ratio 5:3, find the ratio of their surface area.

asked Aug 27, 2015 by pady_1

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If the radius of a hemisphere is 2r, find its curved surface area.

asked Aug 27, 2015 by pady_1

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The volumes of the two spheres are in the ratio 64 : 27. Find the ratio of their surface areas,

asked Aug 27, 2015 by pady_1

2 answers

Mcdonalled provides colddrink to the consumer daily in a cylindrical glasses of radius 7 cm. If the glass is filled with Cocacola upto an height of 12 cm, find how many litres of cocacola is needed to serve 100 consumer?

asked Aug 27, 2015 by pady_1

2 answers

A cube of side 42 cm contains a sphere touching its sides. Find the volume of the gap in between?

asked Aug 27, 2015 by pady_1

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A right triangle with sides 3 cm, 4 cm and 5 cm is revolved about the side 3cm to form a cone.Which of these is false?

asked Aug 27, 2015 by pady_1

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Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water?

asked Aug 27, 2015 by pady_1

1 answer

A Home choclate maker has one spherical chocalate of radius 10cm. With the same amount of material, how many small sphere of choclates of radius 2.5 cm can be made?

asked Aug 27, 2015 by pady_1

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