10
Ganita Prakash
Surface Areas and Volumes
250+ practice questions available
Sample Practice Questions
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1
Easy
The curved surface area of a cone with radius r and slant height l is:
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2
Hard
A sphere has radius 4.9 cm and density 7.8 g/cm^3. Its volume is: (pi = 22/7)
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3
Medium
A sphere of radius R has volume 8 times a sphere of radius r. Then R = ?
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4
Hard
A sphere of r = 9 melted into 27 small spheres. Ratio of total SA of small to SA of big:
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5
Hard
A hemispherical tank of inner radius 1 m and thickness 1 cm. Volume of iron used approximately: (pi = 22/7)
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