Questions Archive - Page 584 of 622

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

The perimeters of the two circular ends of a frustum of a cone are 48 cm and 36 cm. If the height of the frustum is 11 cm, then find its volume and curved surface area.

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This is one of the important question from the cbse board exam point of view because in 2014 cbse board ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A tent consists of a frustum of a cone, surmounted by a cone. If the diameter of the upper and lower circular ends of the frustum be 14 m and 26 m, respectively, the height of the frustum be 8 m and the slant height of the surmounted conical portion be 12 m, find the area of the canvas required to make the tent.

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Assume that the radii of the upper circular end of the frustum and the base of the surmounted conical portion ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A tent is made in the form of a frustum of a cone surmounted by another cone. The diameters of the base and the top of the frustum are 20 m and 6 m, respectively, and the height is 24 m. If the height of the tent is 28 m and the radius of the conical part is equal to the radius of the top of the frustum, find the quantity of canvas required.

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This problem is the combination of two CONE shape. To find answer of this question we need to use volume ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

The radii of the circular ends of a solid frustum of a cone are 33 cm and 27 cm and its slant height is 10 cm. Find its total surface area.

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In this problem use π=3.14. This question was asked in 2012 cbse board exam. Question from RS Aggarwal book chapter volume ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

The radii of the circular ends of a bucket of height 15 cm are 14 cm and r cm (r < 14). If the volume of bucket is 5390 cm³ , then find the value of r

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This question was asked in 2011 cbse board exam. Question from RS Aggarwal book chapter volume and surface area of ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A bucket is in the form of a frustum of a cone and it can hold 28.49 liters of water. If the radii of its circular ends are 28 cm and 21 cm, then find the height of the bucket

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This is one of the important question from the cbse board exam point of view because in 2009 cbse board ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A container in the shape of a frustum of a cone having diameters of its two circular faces as 35 cm and 30 cm and vertical height 14 cm, is completely filled with oil. If each cm 3 of oil has mass 1.2 g, then find the cost of oil in the container if it costs 40 per kg.

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This question was asked in 2009 cbse board exam. Problem from RS Aggarwal book, problem number 10, page number 823, exercise ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A bucket made up of a metal sheet is in the form of frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30 cm and 10 cm, respectively. Find the cost of completely filling the bucket with milk at the rate of Rs 20 per liter and the cost of metal sheet used if it costs Rs 10 per 100 cm²

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This is one of the very important question from the cbse board exam point of view because in 2008, 2006, ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A bucket made up of a metal sheet is in the form of a frustum of a cone of height 16 cm and radii of its lower and upper ends are 8 cm and 20 cm, respectively. Find the cost of the bucket if the cost of metal sheet used is Rs. 15 per 100 cm²

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In given problem a bucket made up of a metal sheet is in the form of a frustum of a ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A bucket is in the form of a frustum of a cone. Its depth is 15 cm and the diameters of the top and the bottom are 56 cm and 42 cm, respectively. Find how many liters of water can the bucket hold.

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To solve this problem use π=22/7 In this problem a bucket is in the form of a frustum of a cone. This ...Read more

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