volume and surface area of solid Archives - Page 11 of 12

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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

A metallic cylinder has radius 3 cm and height 5 cm. To reduce its weight, a conical hole is drilled in the cylinder. The conical hole has a radius of 3/2 cm and its depth is 8/9 cm. Calculate the ratio of the volume of metal left in the cylinder to the volume of metal taken out in conical shape.

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This question is the combination of cylinder and conical shape problem. Last time this question was asked in 2015 cbse ...Read more

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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

From a solid cylinder of height 14 cm and base diameter 7 cm, two equal conical holes each of radius 2.1 cm and height 4 cm are cut off. Find the volume of the remaining solid.

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This is the important question from the exam point of view last time this question was asked in 2011 cbse ...Read more

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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

From a solid cylinder of height 2.8 cm and diameter 4.2 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid.

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This is question was asked in 2014 cbse board exam. This is the important question from the exam point of ...Read more

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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

From a solid cylinder whose height is 8 cm and radius 6 cm, a conical cavity of height 8 cm and base radius 6 cm is hollowed out. Find the volume of the remaining solid. Also, find the total surface area of the remaining solid.

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This question is the combination of cone and cylinder structure to find answer of this question use cylinder and cone ...Read more

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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. The length of the entire capsule is 14 mm and the diameter of the capsule is 5 mm. Find its surface area.

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In this question they give a medicine capsule is in the shape of a cylinder with two hemispheres stuck to ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the form of a cylinder with hemispherical ends. If the whole length of the toy is 90 cm and its diameter is 42 cm, then find the cost of painting the toy at the rate of 70 paise per sq cm.

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In the given problem a toy is in the form of a cylinder with hemispherical ends for that to find ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A vessel is in the form of a hemispherical bowl surmounted by a hollow cylinder. The diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm. Find its capacity

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This question from= RS Aggarwal Chapter Mensuration Volume and surface Volume and Surface Area of Solid Exercise 17A Page number ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the shape of a cone mounted on a hemisphere of same base radius. If the volume of the toy is 231 cm³ and its diameter is 7 cm, then find the height of the toy

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This is the important question that question was asked in 2012 cbse board exam. In this question a toy is ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius on its circular face. The total height of the toy is 15.5 cm. Find the total surface area of the toy

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In the given problem toy is in the form of a cone so to find total surface area of toy ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A solid is in the shape of a cone surmounted on a hemisphere, the radius of each of them being 3.5 cm and the total height of the solid is 9.5 cm. Find the volume of the solid.

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This is the important question from the cbse board exam point of view because this question was asked in ‘cbse ...Read more

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