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CBSE Notes 2011-2012 » X-Mathematics-Term2

Surface Areas and Volumes

A copper sphere of radius 3 cm is beaten and drawn into a wire of diameter 0.2 cm. The length of the...

Multiple choice question

A copper sphere of radius 3 cm is beaten and drawn into a wire of diameter 0.2 cm. The length of the wire is

The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. The rati...

Multiple choice question

The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. The ratio of their volumes is

The number of coins, 1.5 cm in diameter and 0.2 cm thick to be melted to form a right circular cylin...

Multiple choice question

The number of coins, 1.5 cm in diameter and 0.2 cm thick to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm is

A cylindrical vessel 60 cm in diameter is partially tilled with water. A sphere 30 cm in diameter is...

Multiple choice question

A cylindrical vessel 60 cm in diameter is partially tilled with water. A sphere 30 cm in diameter is dropped into it. The increase in the level of water in the vessel is

A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diam...

Multiple choice question

A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of the balls are 1.5 cm and 2 cm respectively. The diameter of the third balls is

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

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