cbse class 10th Archives - Page 6 of 19

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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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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 capacity and total surface area.

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In this problem use π = 22/7 Problem from RS Aggarwal book, problem number 6, page number 823, exercise 17C, ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A container made of a metal sheet open at the top is of the form of frustum of cone, whose height is 16 cm and the radii of its lower and upper circular edges are 8 cm and 20cm respectively. Find i] the cost of metal sheet used to make the container if it costs 10 per 100 cm² , ii] the cost of milk at the rate of 35 per litre which can fill it completely.

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This is one of the important question from the cbse board exam point of view because in 2013 and 2017 ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A container, open at the top, is in the form of a frustum of a cone of height 24 cm with radii of its lower and upper circular ends as 8 cm and 20 cm, respectively. Find the cost of milk which can completely fill the container at the rate of 21 per liter.

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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 metallic bucket, open at the top, of height 24 cm is in the form of the frustum of a cone, the radii of whose lower and upper circular ends are 7 cm and 14 cm, respectively. Find i] the volume of water which can completely fill the bucket; ii] the area of the metal sheet used to make the bucket.

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This question was asked in 2014 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

The radii of the circular ends of a solid frustum of a cone are 18 cm and 12 cm and its height is 8 cm. Find its total surface area.

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This is the important problem, in this problem use π = 3.14, Problem from RS Aggarwal book, Problem number 2, ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A drinking glass is in the shape of a frustum of a cone of height 14 cm. The diameters of its two circular ends are 16 cm and 12 cm. Find the capacity of the glass.

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In this question shape of the glass is frustum. Question from R S Aggarwal book, Problem number 1, Exercise 17 ...Read more

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