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CBSE Notes 2011-2012 » X-Mathematics-Term2

Surface Areas and Volumes

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

A cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total a...

Multiple choice question

A cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total area of the unpainted surface of the cube if the circles are of the largest possible areas ?

Three cubes each of volume 216 m3 are joined end to end. The surface area of the resulting solid is

Multiple choice question

Three cubes each of volume 216 m3 are joined end to end. The surface area of the resulting solid is

In a swimming pool measuring 90 m x 40 m, 150 men take a dip. If the average displacement of water b...

Multiple choice question

In a swimming pool measuring 90 m x 40 m, 150 men take a dip. If the average displacement of water by a man is 8 m3, then rise in water level is

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