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Newbie

## A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of 5 per 100 sq cm.

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In this problem use  π = 3.14. Last time this problem was asked in cbse 2015 board exam. Question number ...Read more

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Newbie

## From a cubical piece of wood of side 21 cm, a hemisphere is carved out in such a way that the diameter of the hemisphere is equal to the side of the cubical piece. Find the surface area and volume of the remaining piece.

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This is important problem from the cbse board exam point of view because this problem was last asked in 2014 ...Read more

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Newbie

## 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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Newbie

## A cylindrical container of radius 6 cm and height 15 cm is filled with ice-cream. The whole ice-cream has to be distributed to 10 children in equal cones with hemispherical tops. If the height of the conical portion is 4 times the radius of its base, then find the radius of the ice-cream cone.

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This question is the combination of cylindrical structure and cone structure by using given parameters we will find the final ...Read more

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Newbie

## 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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Newbie

## The surface area of a sphere is 2464 cm² . If its radius be doubled, then what will be the surface area of the new sphere?

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This question based on Surface area of sphere. In this question surface area of sphere is given; by using Surface ...Read more

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Newbie

## The sum of the radius of the base and the height of a solid cylinder is 37 meters. If the total surface area of the cylinder be 1628 sq. meters, then find its volume.

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This question sum of the radius of the base and the height of a solid cylinder is given by using ...Read more

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Newbie

## If the volumes of two cones are in the ratio of 1:4 and their diameters are in the ratio of 4:5, then find the ratio of their heights.

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find height of the cone by using volume of cone formula and this question from RS Aggarwal, Volume and Surface ...Read more

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Newbie

## Two cubes each of volume 27 cm³ are joined end to end to form a solid. Find the surface area of the resulting cuboid.

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This an important question for the cbse and ncert  exam. question from RS Aggarwal book,  Mensuration chapter, Volume and Surface ...Read more