ncert class 10th Archives - Page 11 of 20

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Deepak BoraNewbie

Asked: August 8, 2020In: CBSE

A spherical glass vessel has a cylindrical neck that is 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water the vessel can hold

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This problem depends on vessel structure in the given problem they give information about its dimension. Last time this problem ...Read more

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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

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 solid is in the form of a right circular cone mounted on a hemisphere. The radius of the hemisphere is 2.1 cm and the height of the cone is 4 cm. The solid is placed in a cylindrical tub full of water in such a way that the whole solid is submerged in water. If the radius of the cylinder is 5 cm and its height is 9.8 cm, find the volume of the water left in the tub.

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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 6, 2020In: CBSE

A wooden article was made by scooping out a hemisphere from each end of a cylinder, as shown in the figure. If the height of the cylinder is 20 cm and its base is of diameter 7 cm, find the total surface area of the article when it is ready.

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This is the important question this question was asked in 2003 cbse board exam. This question number 20 in RS ...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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