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CBSE Notes 2011-2012 » X-Mathematics-Term2

# Surface Areas and Volumes

## 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

## A cube of side 4 cm is cut into a number of cubes, each of side 2 cm. The number of cubes will be

Multiple choice question

A cube of side 4 cm is cut into a number of cubes, each of side 2 cm. The number of cubes will be

## A cylindrical container whose diameter is 12 cm and height is 15 cm, is filled with ice cream. The w...

Multiple choice question

A cylindrical container whose diameter is 12 cm and height is 15 cm, is filled with ice cream. The whole ice cream is distributed to 10 children in equal cones having hemispherical tops. If the height of the conical portion is twice the diameter of its base, then the diameter of the ice cream cone is

## A 4 cm side cube is cut into 1 cm side cubes, then total surface area of all the small cubes is

Multiple choice question

A 4 cm side cube is cut into 1 cm side cubes, then total surface area of all the small cubes is