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Volume Of A Cone Free Doubts and Solutions

CBSE - IX - Mathematics - Surface Areas and Volumes

if  slant height of a cone is changed by 10% while radius remains unchanged then the volume changes by  

Asked by anshuman457biswas 22nd July 2018, 2:55 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

If the edge of a cube is 5 cm then find its volume and total surface area

Asked by 193560527896568 10th February 2018, 8:29 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

If the edges of a cube is 5cm then find its volume 

Asked by 193560527896568 10th February 2018, 8:26 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A conical vessel of internal radius 1.4 cm and height 6 cm is full of water. If this water is poured into a cylinder with same internal radius, find the height to which the water rises in the cylinder.

Asked by Topperlearning User 26th October 2017, 11:41 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A tent is in the form of a cylinder surmounted by a cone of radius 12 m. The height of the conical portion is 7 m, which is equal to the height of the cylindrical portion of the tent. Calculate the volume of the tent.

Asked by Topperlearning User 26th October 2017, 11:39 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A cylindrical bucket is internally 14 cm in radius and 30 cm deep. It is full of sand and when emptied, the sand stands in the shape of a cone 21 cm in radius. Calculate the height of the heap.

Asked by Topperlearning User 26th October 2017, 11:36 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A cylinder made of lead has base radius 7 cm and height 20 cm. It is melted and recasted into a cone of base radius 14 cm. Find its height.

Asked by Topperlearning User 26th October 2017, 11:32 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The area of the base of a conical toy of height 9 cm is 616 cm2. Calculate its volume.

Asked by Topperlearning User 17th October 2017, 1:27 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

If the radius of the cone is doubled, what will be the effect on its volume?

Asked by Topperlearning User 17th October 2017, 1:25 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The volume of a right circular cone of base area 13.86 cm2 is 55.44 cm3. Calculate its height.

Asked by Topperlearning User 17th October 2017, 1:24 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The height of a solid cylinder is 16 cm and the radius of the base is 3.5 cm. Two equal conical holes each of radius 3.5 cm and height 3 cm are cut off from both ends. Calculate the volume of the remaining solid.

Asked by Topperlearning User 17th October 2017, 1:22 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

An iron conical solid has radius 0.5 m and height 3.6 m. If 1 m3 of iron weighs 77 gm, calculate the weight of the solid.

Asked by Topperlearning User 17th October 2017, 1:20 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The circumference of the base of the cone of height 12 cm is 22 cm. Calculate its volume.

Asked by Topperlearning User 17th October 2017, 1:17 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

If the radius of the base and altitude of a right circular cylinder and a right circular cone are equal. What is the relation between the volumes of a cylinder to that of a cone?

Asked by Topperlearning User 17th October 2017, 1:14 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A conical vessel has diameter 10 cm and height 21 cm. Calculate the volume of 10 such vessels.

Asked by Topperlearning User 17th October 2017, 1:05 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

An isosceles triangle with a base of 0.4 m and an altitude of 0.3 m is revolved about a line through the vertex and perpendicular to the base. What is the volume of the solid generated by the revolving triangle?

Asked by Topperlearning User 17th October 2017, 12:53 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A cone is 8.4cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere. Find the radius of the sphere

Asked by valeen_sodhi 14th March 2016, 9:32 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

Find the volume of the largest right circular cone that can be fitted in a cube whose edge is 14 cm.

Asked by dimplesharma0810 6th March 2016, 10:35 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A semi circular sheet of metal of diameter 28 cm is bent into an open conical cup. Find the depth and capacity of cup.

Asked by dimplesharma0810 5th March 2016, 10:04 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The difference between inside and outside surfaces of a cylindrical tube is 14 cm. Length is 88 cm. If the volume is cm3, find the inner and outside radii of the cone.

Asked by Aniket 11th November 2015, 8:52 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

from a right circular cylinder of height 10cm and radius 6cm a right circular cone of same radius and height is removed. find the volume of the remaining solid. pls answer immediately as tomorrow is my exam

Asked by archita123 28th February 2015, 3:45 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

Asked by Topperlearning User 3rd December 2014, 8:33 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A tailor has piece of canvas whose area is 552 cm2. He used it to make a conical tent with base radius 7m. Assuming that all stitching, margins and wastage incurred while cutting, amounts to approximately 2 m2. Find the volume of tent that can be made with it.

Asked by Topperlearning User 3rd December 2014, 8:28 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The height of the cone is 15 cm. If its volume is 1570 cm3, find the diameter of the base. (use = 3.14)

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

If the volume of right circular cone of height 9 cm is 48 cm3. Find the diameter of its base.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

Volume of a right circular cone is 2200/7 cm2 and its diameter is 10 cm. Find its curved surface area. .

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A right triangle ABC with sides 5 cm, 12 cm and 13 cm is rotated about the side of length 12 cm. Find the volume of the solid so obtained.

Asked by Topperlearning User 10th April 2014, 9:06 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

In a conical vessel of radius 8.4 m and vertical height 3.5 m, how many full bags of wheat can be emptied, if space for wheat in each bag is 1.96 m3? .

Asked by Topperlearning User 10th April 2014, 9:02 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The surface area of a sphere of radius 5 cm is five times the area of curved surface of a cone of radius 4 cm. Find the height and volume of a cone. .

Asked by Topperlearning User 10th April 2014, 8:58 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A conical tent is to accommodate 11 persons. Each person must have 4 m2 of the space on the ground and 20 m3 of air to breathe. Find the height of the cone.

Asked by Topperlearning User 10th April 2014, 8:54 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A cone of slant height 25 cm has a curved surface area 550 cm2. Find the height of the cone and hence its volume. .

Asked by Topperlearning User 10th April 2014, 8:50 AM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A conical vessel with radius 20 cm and height 30 cm is full of water. The water of this vessel is transferred to a cylindrical vessel of radius 8 cm. Find up to what height will the cylindrical vessel fill?

Asked by Topperlearning User 9th April 2014, 1:55 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

The circumference of the base of a cone is 22 cm. If its height is 8 cm, find its volume.

Asked by Topperlearning User 9th April 2014, 1:12 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

A solid right circular cylinder of radius 8 cm and height 3 cm is melted to make a cone of height 3 times that of cylinder. Find the curved surface area of the cone. (use = 12)

Asked by Topperlearning User 9th April 2014, 1:11 PM
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CBSE - IX - Mathematics - Surface Areas and Volumes

a cone of height 8 m has a curved surface area 188.4 square metres. find its volume (take pi = 3.14

Asked by nmenghani 11th January 2010, 8:59 PM
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