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If two cylinders of same lateral surface have their radii in the ratio 4:9, then the ratio of their heights is

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Important Questions on Mensuration

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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 2
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
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 3
The total surface area of a cone whose radius is r2  and slant height 2l is
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 4
If the diameter of the base of a cone is 10 cm and its height is 12 cm, then its curved surface area is
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 5
If the radius of a hemisphere is 5 cm, then its volume is 
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 6
If the ratio of the diameters of the two spheres is 3:5, then the ratio of their surface areas is
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 7
The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloon in the two cases is
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 8
If two solid hemispheres of same base radius r are joined together along their bases, then the curved surface of this new solid is
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Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Multiple Choice Questions>Q 9
If a solid of one shape is converted to another, then the surface area of the new solid