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## A hemispherical bowl of internal radius 9 cm is full of water. Its contents are emptied into a cylindrical vessel of internal radius 6 cm. Find the height of water in the cylindrical vessel.

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This question was asked in 2012 cbse board exam. Question from RS Aggarwal book chapter volume and surface area of ...Read more

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## The diameter of a copper sphere is 18 cm. It is melted and drawn into a long wire of uniform cross-section. If the length of the wire is 108 m, find its diameter

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This is the important question for cbse board exam. Given  problem is the  combination of two shape that is sphere ...Read more

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## The diameter of a sphere is 42 cm. It is melted and drawn into a cylindrical wire of diameter 2.8 cm. Find the length of the wire

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This problem is the combination of two shape that is sphere and cylinder. To find answer of this question we ...Read more

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## A solid sphere of radius 3 cm is melted and then cast into small spherical balls, each of diameter 0.6 cm. Find the number of balls obtained.

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In the given problem there is need to use volume formula 2 time. In the given problem shape of the ...Read more

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In the given problem shape of the object is sphere to find answer of this question need to use sphere ...Read more

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## A spherical ball of diameter 21 cm is melted and recast into cubes, each of side 1 cm. Find the number of cubes so formed.

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In the given problem shape of the object is spherical to find answer of this question need to use sphere ...Read more

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## A hemisphere of lead of radius 9 cm is cast into a right circular cone of height 72 cm. Find the radius of the base of the cone

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In the given problem given shape is hemisphere.  To find answer of this question need to use hemisphere volume formula. ...Read more

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## A spherical shell of lead, whose external and internal diameters are 24 cm and 18 cm, is melted and recast into a right circular cylinder 37 cm high. Find the diameter of the base of the cylinder

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This problem is the shell problem. Problem from RS Aggarwal book, problem number 12, page number 810, exercise 17B, chapter ...Read more

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## A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 1.5 cm and 2 cm. Find the radius of the third ball.

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In the given problem shape of the object is sphere to find answer of this question need to use sphere ...Read more

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## A spherical cannon ball, 28 cm in diameter, is melted and recast into a right circular conical mould with base diameter of 35 cm. Find the height of the cone.

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This question was asked in 2001 cbse board exam. Question from RS Aggarwal book chapter volume and surface area of ...Read more