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CBSE Notes 2011-2012 » X-Mathematics-Term2

Surface Areas and Volumes

A solid sphere of radius 10 cm is moulded into 8 spherical solid balls of equal radius, then the rad...

Multiple choice question

A solid sphere of radius 10 cm is moulded into 8 spherical solid balls of equal radius, then the radius of each ball is

Two metallic right circular cones having their heights 4.1 cm and 4.3 cm and radii of their bases 2....

Multiple choice question

Two metallic right circular cones having their heights 4.1 cm and 4.3 cm and radii of their bases 2.1 cm each, have been melted together and recast into a sphere. The diameter of the sphere is

A right circular cylindrical vessel is full of water. How many right cones having the same radius an...

Multiple choice question

A right circular cylindrical vessel is full of water. How many right cones having the same radius and height as those of the right cylinder will be required to store that water ?

A cylindrical vessel 32 cm high and 18 cm as the radius of the base is filled with sand. This is emp...

Multiple choice question

A cylindrical vessel 32 cm high and 18 cm as the radius of the base is filled with sand. This is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is 24 cm, the radius of its base is

A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of heigh...

Multiple choice question

A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of height 1 cm and base radius 1 mm. The number of cones is

A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of thei...

Multiple choice question

A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is